April 11, 2012 • 45 mins
Chuck and Josh end up making reduxes of past episodes on things like sweating and deodorant in this all-new episode on the science beneath what makes people smell. Learn all about your odor in this episode of Stuff You Should Know.
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Speaker 1 (00:00):
Brought to you by the reinvented two thousand twelve camera.
It's ready. Are you welcome to Stuff you should know
from House Stuff Works dot Com? Hey, and welcome to
the podcast. I'm Josh Clark, Charles W. Chuck, Bryan's with me.
(00:20):
If my my nose doesn't deceive me, I didn't do
my cheeks today, that's bad luck. Now, thank you. I
don't think that that's gonna save this episode, but it
will make it from being the worst, probably like the one,
the unreleased one. Yeah, in case of brake, we'll make
that when we retire, that will be our final episode,
(00:43):
will go out of the whimper. That's not bad idea. Yeah,
there's a lost episode everyone that only Jerry, Chuck and
I know about, in case of emergency breake Glass episode.
It is so bad that if if something happens, we
we released the emergency episodes. Right. Yeah. That feels good
to have, does it? Yeah? Yeah, I guess so. I
(01:06):
feel like we have a margin of error, but of one. Um,
All right, Chuck, let's get this started, all right. You stink,
I stink, We all stink. Jerry doesn't stink. Jerry smells
like lilac. She does. Um, but the wow, you just
threw me off with that one. But your stink and
my stink are unique. Um, it's like, um uh it's
(01:31):
called an oder type, right, So an oder type is,
as I said, very unique. It's uh so unique that
there is research into figuring out how to identify somebody
through their odor. Yeah. I thought that was interesting. It's
like a smelly fingerprint. Yeah. Um. And no matter what
you do, it can't be masked, like you can't alter
(01:55):
it to where a machine that's designed to molecularly and
allies odors can't say oh it's Josh, Oh there's chuck.
And they're also they're really laying on the Polo cologne
today for some reason because this that was my man.
I remember the day I did you wear that bottle
of Polo? It is like the size of my torso
(02:15):
and I was so excited. I only wore one cologne
in my life for like two years in high school. Yeah,
Benetton Colors it was. But um, I haven't worn cologne
since literally I was seventeen. Yeah. I went through maybe
like three periods of my life where I worked cologne
for a little while, and then finally I'm like, I
don't wear cologne? What am I doing? Not? Not many
(02:39):
guys do anymore? Do they? Yeah? Really? At the gym
I go to, it's like get out of the sauna. Now, Wow,
it's bad. Yeah, when I told you, I think one
time when I lived in Arizona for a year. It
may be cultural, but those dudes work alogne like a
lot and hair jail, don't they. Um, I seem to
remember a fair amount of depitty do Yeah, Arizona is
(03:01):
like New Jersey West, So anyway, we all have very
distinct odor types, is what it's called. Oh and not
only can you not alter it to with the machine,
but if you're a mouse and you're trying to mask
your scent, other other mice can still see who you
are through their Yeah, I saw that that study. Should
(03:24):
we tell them that the technique they use, even though
I don't understand it involves tickling uh volatile b ocs
like you get in paint, volatile organic compounds also in
your body, which is just something that turns to gas
at what we consider room temperature exactly. They use they
can analyze uh, these scents in your sweat, saliva, and
(03:45):
urine using gas chromatography, mass spectrauma spectrometry. That's good stuff.
I'm glad you got hung up on that. Yeah. I
don't know how that works, so I didn't have enough
time to look into that. But that's what the Pentagon
and the Homeland Security are using to try and snip
out terrorists and also apparently to figure out if someone's
(04:08):
lying because there's different kinds of sweat. There's different kinds
of sweat glands. Um as you know, we've actually kind
of covered some of this. Remember we did what's the
difference between any perse print and deodorants? Again? Yes, okay,
I didn't think that was me. I mean you were
wildly impressed with Like I had a theory about, um,
deodorant stocks going up. Remember hormones and milk are making
(04:32):
kids hit puberty younger in my opinion. Uh, and then
with global warming, people are going to need more deodorants,
so theodorant stocks were the way to go. Um, that's
not as good as my early man theory. What happened?
They melted? So happened to the Neanderthals? These are the
old days. Yeah, I think that theodor one was like
one of the ten minutes shows, wasn't it. It It was
(04:54):
pretty quick, like really early. Yeah, but we're going to
revisit it because even you don't remember it, and you
were in it, I remember right now. Um, So we're
gonna talk about the different kinds of sweat clans because
we've also talked about this before and what can you
sweat colors? Yeah? Okay, but let's let's do it again.
You want to? That was the introduction. That's great, I
love it. Um. You know, they also have studies that
(05:17):
that say that little babies are more attracted to their
mothers obviously because of their scent and like early on
humans can sniff out their parents, which is and I
don't think it's a theory of mine. I think it's
pretty well established that if you're like a smoker, even
if you're like, oh I don't smoke around my kids,
they still sniff that stuff out and they are more
(05:37):
likely to smoke later on because of that. Is that true? Yeah?
Oh yeah, children of smokers are way more likely to smoke.
I know in studies of um babies born eyeless and
as worms, they will like they'll sniff their parents out
and like just wiggle over toward them even though they
can't see usually can't hear. It's a neat study. Um,
(06:00):
there's a lot of stuff in here like that. Um,
so let's talk about the different kinds of sweat glands.
You got echrone glands. Yeah, those are my favorite, same
here because they cool me off. Yeah, they're innocuous. They
basically just secrete water and electrolytes, which if you've seen
um idiocracy, you know how important electrolytes are. Um and yeah,
(06:24):
it's used to regulate body temperature. Your hypothalamus says, hey,
you're getting a little warm here. Let's get rid of
this perspiration. The water, the the the water and electrolytes
on your skin. When they evaporate, it's going to cool
you down. And I love it. And sweat doesn't stink.
I think we've pointed that out before, but it bears repeating.
The sweat itself is not smelly. And I like saying
(06:47):
that because for obvious reasons, it's well established that I'm
a sweaty guy. But I'm not a smelly guy. No,
you really aren't. I was thinking about this. I'm like,
I was. I was thinking about you as I was
researching this, and I was like, you know, Chuck doesn't smell.
I've never I've never smelled chuck. And I've been around
you when you're sweating. I've been around you when you
(07:08):
were wearing nothing but like shorts and a Hawks jersey sweating. Sah, well,
you better be sweating if you're wearing that. Yeah, that's
because I take exactly, That's because I take care of
myself and do all the things that we're gonna talk about,
like bathing. Yes, So in ekorne sweat um, there's nothing
to smell. Electro LTEs don't smell in the other sweat
(07:29):
gland and ecorn sweat glands are found all over your body.
The other sweat glands epicrine like sweat glands, they don't
smell either. I know what you're saying. Like that, you
you produce sweat, but it has a lot more than
just water and electrolytes chuck. Anytime a cell excretes waste,
poop something out, or is destroyed through maybe autolycens or whatever,
(07:52):
there's a lot of little um cellular detrius and that
stuff has to leave the body because you don't want
it to build up. You want to get rid of
your broken up dead cells, and they enter secretory cells
in the skin and hike along with your sweat. So
the apricrine sweat is a means of disposal, cellular detritus
(08:17):
disposal in your body. But even that doesn't smell. Yeah,
what produces the smell? Uh well, And we did cover
this before, but it is bacteria that basically eats those
proteins that we sweat out and then they poop them out. Essentially,
they poop out fatty acids that stink. That's the smell.
(08:40):
It's not us, it's the local flora, the bacteria. I
don't even like the word flora, I know, and it
doesn't even make sense because bacteria aren't plants, and even
if they were plants, um flora apparently refers to multicellular plants. Yeah,
but they call local flora bacteria's local flora um and
(09:03):
a little protozoa on your body, those are called fauna
local fauna. And I can't figure out why. Uh well,
I bet the answers out there. I looked, man, really, Yeah,
if anybody knows that this is the one I'd really
like to know from this episode. Well, what we do
know is that these nasty applecrine glands are found in
(09:24):
some pretty unfortunate places like you're growing or you're growing
and your armpits um, your what is it the and
your hands and your feet, So that's where you're gonna
smell um in your feet. Interestingly, the reason they don't
smell quite like your armpits is because they also produce
(09:46):
fungus in addition to the bacteria pooping out batty acids. Yeah,
and that's why your footot is going to be a
little different. It's not really coincidence that, like all of
these places are hairy, well except for your hands. Yeah,
and I guess the soles of your feet, but your
armpits and your groin are hairy. I'm five years old,
loves naturally they're hairy. Um, and uh, when we wear shoes,
(10:12):
were in socks whatever. Where we are providing like these
great places for bacteria to thrive and eat the stuff
to their hearts content. But it takes about an hour apparently. Yeah,
that's a good news. So when you start sweating apricrine
cell detrius through your armpits um, you it takes about
an hour for the local bacteria to digest. I mean
(10:35):
they'll eat it immediately, but then they lay around, have
they wake up and they're like, I got a poop
and they poop and then you start smelling. Um the
other gross thing, and there will be many gross things,
but to me, one of the gross things is the
the ekron glands secrete kind of you know, clear liquid,
but the apicrin glands excrete liquid that can be thicker
(10:58):
and milky and hello, which is why if you've ever
had the old mustard stains on the undershirt, which are
really unsightly they are, that means it's time to get
rid of that undershirt, or if you're like me, then
it's time to keep wearing it until it's crunchy. Yes,
and I know the crunch you're talking about. Yeah, I
(11:21):
think that's the deodorant as well, I hope, so in
combination with the milky yellowish secretions. Yeah, uh yeah, so
that that's the gross stuff. That's where your pit stains
come from. UM and the smell. Also one of the
big guys of the smell world as far as the
waste products that the local flora are producing is um
(11:43):
E three methyl two hexanoic acid. That's what's making you smell, friends,
that's the one. It's one of. And the bacteria that's
producing this are called microcoxie or staphylocoxie. And um, like
I said, this is where they love living in your pits. Um,
And I don't know if like they live in our armpits,
(12:03):
like over time they've become attracted to human armpits the revolution,
like they're like, oh, well this is where we eat,
so we live here. Um. And they never learned you
should never poop where you eat. They do the whole
gam but you know, um, or poop where you live? Um,
but it's poop where you eat. I think it's both,
(12:24):
is it? Yeah? Okay? Um? I wonder if like they
were attracted to humans over time, because I mean, are
we born with these things in our under arms? I
don't know how do we pick them up? How? How
soon after birth do we pick them up? Well, I
don't think we're born because newborn babies don't have the
ap aprican sweat. So that's why little babies smell delicious.
(12:47):
And unless they're pooping, which is like an ungodly thing
such what is wrong with babies? So yes, you're right, Um,
we we aren't born with apricream glance. We develop them
around puberty. You probably won't start the body out or
of the b o um as my mom always called it,
until until puberty, till your teen years, and that's when
(13:10):
you start getting stinky and um. So it's not just
there's not just a difference between little kids, between teens
and tweens, right, tweens on stink teen stink um. Supposedly
there's a distinction among um races. This is highly controversial,
(13:32):
is it? Yes, it's not nearly as cavalier as it
might seem in this article. You can't just say like, oh, well,
Asians are the least stinky um. There's there's supposedly here's
the problem. Okay, here's the problem that the field of
anthropology has with this. It's possible that there are differences
(13:56):
among among races, but you can break it, don't even further?
Is it um? Is? Is it food based? Is a
diet based? Like? Is it? So if you are in
northern India you're eating less curry in southern India India
or vice versa. I can't whatever, So are all Indians?
(14:17):
Did all Indians share a similar smell that's more pungent
than say Europeans. The it you can't and even within that,
it's like, how many vegetarians are there that hate curry
in India? Well, the reason you point out curry, we
should point out is because that's mentioned specifically in the
article as one of the more highly um pungent foods
(14:39):
that will eventually come out in your sweat exactly like garlic. Right. Um.
But the the I guess the point is is, um,
when you differentiate among people, whether it's smell, especially if
something is unpleasant as body odor, then you are you're
creating a disparity. You're propagating the possibility of racist stattitudes
(15:00):
because if this person is different from me and how
we smell, how else is that person different? You know,
maybe I don't really like that person. Well it's not
even endorsement. Well you just well you have to be
careful with Plus the other problem is is most of
the research that that is cited um these days for
difference among races and body odor was last compiled in
(15:21):
like the nineteen thirties. And then also for example, like
Asians have fewer axillary glands, do they? I don't know
when's the last time anyone checked. And then some of
the other old data suggests that half and estimated half
of Koreans don't even have axillary glands, so they couldn't
even sweat if they tried. You know, you see the point.
(15:42):
So you're saying it's just hinky data, it's old data,
and you're not supposed to cite data over ten years old. Well,
why don't we just as a as a show, as
a part of the public specter, say, some people stink
some and some people don't. Yeah, people are people, Some
stink somet' so why should it a be jerry like
(16:02):
that one she saw her that. Um, men definitely, uh
are are stinkier than women in general. We don't mind
a little sexism, especially when we're throwing it on ourselves
as stinky men. But it's not sexism because it's true
and it's not. I mean, there's no there's no disparaging
that comes along with that. That's true. Um. But and
(16:23):
this is actually backed up by some science. We have
more testosterone, which is gonna up your production of the
apricree sweat. I'm just gonna lead to stinkiness. Um. Another
theory is that women are more efficient regulators of their
body temperature because they have less core heat going on
because less muscle and fat than us dudes. And conversely,
(16:45):
you can make the case that men are more efficient
at um cooling there themselves. Yet true because women don't
just tell sweat as much. And I thought this was
really interesting, and so did Emily because I was throwing
some stuff at her today while I was researching when
men actually need one degree higher body temperature in order
to start sweating to begin with. Yeah, I thought that
(17:06):
was interesting and must be significant. I found it sounding
hypothesis that that face unners attached to that. That's that
women have less body fluid than men and so have
evolved to sweat less. And so that would be the
mechanism that that that evolution is taken the form of
well lucky ladies, is what I say. But what's interesting
(17:27):
is no, because if you are working out and your
lady you suffer, you stay hotter longer, you get hotter. Um.
And there's a study in Japan of all places, because
they can't even sweat, you know, um that where they
found that um women could train themselves just by working
out a bunch like forming a workout routine over time
(17:48):
to start sweating earlier, um than women who were just
like working out for the first time got you. Yeah, well,
since you brought up Japan, this is a sidebar, but
we'll throw it in there. Um. And I thought this
is interesting. Apparently they take their their sweating and their
stink pretty seriously over there, because they have a couple
of interesting products. One company, um Aoki, has developed a
(18:11):
deodorant suit that uses uh fabric with silver ions impregnated
in it to fight off this bacteria just by wearing
it right. And then they think they have determined. A
cosmetic company thinks they have found the fatty acid responsible
for old people smell, which I thought was really mean
(18:32):
to say. And uh, no, Neil is the fatty acid.
And in Japan they call old people smell carry issue
and they are trying to combat that. And I guess
grandkids all over the world they're just gonna be like
spraying their grandparents when they walk in or when you
inherit the house, you just walk around and spray carry issue. Uh.
(18:55):
It's interesting though. I went over to my mom's last
night and I realized that her home that it's not
the house I grew up in. This is She's been
there for a while though, um, probably fifteen years. It
smells like my grandparents house that I went through growing
up in Tennessee. That's interesting, like a lot like it,
And I don't know. I mean, it's gotta have something
to do with heredity or maybe products or furniture that
(19:18):
you have some of their stuff, do it. Odor types
are genetically um based, Yeah, so, I mean it would
make sense that your mom inherited some of her ODO
type from her parents. It's what. It was very comforting though.
I was like, wow, oh yeah, man, I'll bet granddaddy'suse
you unless your grandparents stunk like ox and I'm sure
it's very comforting even more were abusive and hated my guts.
(19:42):
You're like the scent of Guardinia makes you like drop
into the fetal position. You never hear that of like
abusive grandparents. That's like, that would be the worst thing ever.
I'm sure there are some you gotta be out there, yeah, yeah,
but you don't hear about it much. Thank god, thank god, everybody.
It keeps that secret. I've been around some mean old
people though, so you know what, everyone has that capacity.
(20:06):
It's true, and that's why I quit boy Scouts and protest.
Oh no, I just didn't like the idea of respecting
your elders. No matter what. I was like, no has
to earn respect. Agreed, Thank you. Alright, I finally vindicated
after all these years. Um. We did talk about this
(20:26):
in another podcast about women able to pick up um.
I think when we talked about it before, it was
a study about women able to pick up clues through
scent about whether or not someone's a good reproductive partner.
Like that there they would have a different immune system
than you together in form of super baby, definitely one
(20:48):
that wasn't born without eyes with a worm like body. UM.
We also kind of debunked that, yeah were The research
we found is that like we don't even have the
capacity to um detect for modains any longer, most most
humans don't. So like that whole idea is a little um.
There was there was it's it's hit or miss, Like
(21:09):
there's some studies that suggested, yes, this is true, others
that didn't. If you read the um the release though
on this study that this guy is talking about. Yeah,
the guy just like the researchers just totally leapt to
a conclusion. They were like women can differentiate, Like it's
tougher to mask um a man's odor to a woman
(21:36):
and he basically said, ergo, women can detect body odor better,
which means that they must be detecting like something like
immune system robustness or something. It was like, where did
you get this extra stuff? You know, it's drive me crazy.
I'm on a tirade today. Research. Yeah, I'm sorry, everyone,
(21:57):
I'm I'm very sorry. Well, speaking of that leads us
right into this article. Actually, we're we like to point
out when our own articles aren't quite up to snuff.
And there were a few interesting things and it's a
shame that we can't find verification on these, because I
thought it was interesting, really interesting. Um. A tribe in
New Guinea says goodbye to each other by rubbing each
(22:18):
other's armpits before they leave, and so you can keep
a little piece of the other person to sniff. That
was really sweet. It's not a bit gross. And you
said that it might be bunk like I found. I
found virtually no support for this, and everything I found
was like not a reliable thing. Um. And then Austrian tyrol,
which is a very specific place to bus about, but um,
(22:41):
they supposedly men would dance with handkerchiefs in there tucked
under their arms and their armpits, and I guess, work
up a real sweat, and then be like you and
point to the girl he was going for and wave
the handkerchief under and knows she would swoon, and they
get married and have babies in that order. Didn't find
verification for that either, right, No, same same thing. But
(23:03):
I found even less for that. What about the last one?
This one appears to be true, all right. I misinterpreted
this because I told Emily this one this morning that
in Elizabethan times they would soak peeled apples in their
armpits sweat and give them to their lover when they parted,
and I, for some reason, took the lead to mean
that they would eat them, and I thought it was
(23:24):
a grossest thing I ever heard. And Emily was like, no,
I don't think they eat them. I think they just
keep them. But they're they're called love apples, by the way,
Well that's not what I call love apples. What do
you call love apples? Apples that you know you give
to the teacher on their desk? Yuh, because it seems
odd that's an apple for the teacher's not love love
(23:46):
apples because you love your teacher. Huh Um, were you
home schooled by your mom? Wasn't? Uh, but my dad
was my principle. Um, I don't know. Did they eat them?
I'm sure some sick ate them. And how the oscar
wilde ate them? How did they collect enough? How do
they collect enough underarmed sweat to soak them? Is what
(24:07):
I want to know. Oh he was Victorian, This is
Elizabethan Um soak it up in a hanky and ring
it out? Maybe I think they just sat there for
a while and like, um, but it doesn't like drip
out if you're dripping rub it around all right, who knows,
we'll try it. We'll try and make a video of it.
Oh so maybe they would rub the apple on their
under arm. That would make sense. Yeah, I imagine they
(24:28):
collected and just like hover over a table with an
apple on it. Well no, I imagine they collected the
under armed sweat in a dish and then soaked it
in that. But that's why I was thinking. Just ignore
me for the rest of the show. What was it?
Was it kids in the hall where they had like
some guy's body odor was so beautiful that like they
had this guy like some perfume company bought him. Basically
(24:51):
and they had him running on a treadmill and it
was either Mr. Show or Kids in the Hall. It
was hilarious. Not cabbage Head clearly. No. You know it
was like a segment, like an additional segment. You know
that you can tell where they're like, they put some
money into it. Oh yeah, yeah, alright, where are we? Um? Oh?
(25:11):
I did think this was interesting. The term b o,
of course, comes from an advertising agency that didn't surprise
me at all. Nineteen nineteen um Odo Rono deodorant. They
and I love how this ad goes. Remember that wonderful
man you met, the way he danced, and the telephone
number he asked for and never used. You should take
(25:34):
the arm whole Odo test stinky, Yeah, like a stinky woman.
That's why the man didn't call you back, eighteen year
old spinster. So yeah. Products in nineteen nineteen were not
afraid to be uh sexist jerks. No, and I went
back and I remember the spec ind Um. They released
(25:54):
a product called mom and Um. Think back with me
to the anti perse a deodorant one Um. You had
to apply it with like a swab on a stick,
and it worked, but it also would like burn a
hole through your clothes and that was the first deodorant, right, yes, Mom,
I think it was still around for a while. Well, Tussy,
(26:17):
what was that? I don't know? Or what was the
sprinkle a day one? Uh, just a sprinkle a day
for feed? Have you had your sprinkle to day? It
was like a general body deodorant. I don't think it
sprinkling your body like gold bond. Yeah. I like the
gold bond though. Oh yeah, that's a lifesaver with certain things.
(26:41):
So so Chuck, Yes, have you ever seen um that
one Simpsons where the Homer and Marge have their kids
taken away from them and they have to go to
the government parenting class. That's what this next segment is
going to feel. Like, what do you do if you
um find that you have body odor? Well, um, one
(27:02):
thing you can do, Josh, because interestingly, um animals would
use their scent to broadcast and it would scent would
get tangled up in the hair, so we'd stick around
a little longer. So obviously if you have hair and
like you're growing, what you do and your under arms,
so I could pointing out the smell is gonna stick
around longer. So if you keep that area trim then, um,
(27:26):
you're less likely to have odor in those places. Yes,
that's good advice. And I'm a I'm a believer in
keeping your body neat as a general rule, regardless of
the scent factor. You know, take care of yourself, well, yeah,
may manage your your hair, your ear hair, your nose hair.
And there is nothing shameful about a man getting a
(27:47):
manicure and or petticure. Okay, Uh, that was supportive. Well,
I mean it has nothing to do with body under sure,
there's nothing taking care of yourself. Well, I don't have
I bite my finger and else, so there's really kind
of no point for me. You know, remember Carrie Grant
took a bunch of acid. Well they Uncle John's Bathroom
Reader published like a list of like some of his
(28:09):
best quotes while he was tripping, and the psychiatrists like
wrote him down. And one of them was, if I
have to look at him, man, shouldn't he have to
comb his hair and brush his teeth? So Carrie Grant
was a big time into taking care of yourself to him,
and look what happened to him. He had a long,
successful life exactly. He's an acting legend. Bathing Josh we said,
(28:33):
it takes an hour for the bacteria to do its thing.
And so if you've got you know, you've got a
big interview or something, you a little nervous, take that
shower less than an hour. Yeah, because I don't know
if we mentioned this. Um Ekran sweat is triggered by
body temperature. Epicrine sweat gland is triggered by emotion. Yeah
we didn't. We didn't. Actually, anxiety specifically is a big
(28:56):
one that makes you start sweating. Yeah. Boy, I sweated
a lot when I interviewed here. Oh my god. It
was July. Yeah, me too, and it was so and
I couldn't figure out where this building was. Kind only
just said like park it it's like by at Lenox
parked Atlantics Mall And walked in like a hundred degree
heat means like half mile and was like my shirt
(29:18):
was like a dark blue even though it's supposed to
be light blue. And I'm like, hey, I'm here to
be interviewed. But I remember the shirt I wore two
and it was light blue, which was a big mistake.
I don't know what I was thinking. And I have
not dressed that nice at this job since that day,
which is I think I should go at every job.
Wait a minute, you are you wearing a suit? Brown? No? No,
(29:40):
I should punch you for saying that I didn't wear
a tie or anything. And you know it's like a
nice shirt and pants. But look at me now, I'm
glad you didn't punch me. By the way, Um, what
are some natural remedies Josh to avoiding this kind of thing?
If you're not into the chemicals? Boric acid? Tony Mule
Team are good friends a Towny Mule Team? Uh, sprinkle
(30:03):
a little powder under the arms. Yeah, it's actually a
low level acid. Yeah, and I think probably what it
does is just makes your armpits inhospitable local flora. There
you go. Yeah. Vinegar, which is just like the most
amazing thing in the history of the world. Do you
drink that stuff now? I mean Lea's vinegar for like everything.
You mean, It's got me into like drinking diluted vinegar,
(30:24):
drinking it today, weed killer and kill weeds, you know,
like big time? Uh, like any not any, but many
many chemical remedies. I bet you if you look up
on these homespun websites, some kind of vinegar might help
you help you out as well. Well, it's changing the pH.
Any time you change the pH, that's something's accustomed to,
(30:45):
it's probably going to just die. Which hazel, Yeah, I
like that smell, do you? I can't stand it. I
like it baking soda. Um. As the article points out,
it works in your fridge, so it'll work on your armpits.
I've never done, ideally theoretically rosemary oil. Yeah, dilute that
in some water, little sprinkle on your under arms. Have
(31:09):
you done that one? You know? It does work those
um tea tree oil because it's an antimicrobial, right, so
it's just gonna go in there and destroy everything it sees.
That'll dry out pimples to a big time. Um. Well,
since we're on deodorant, we might as well talk about
some of the controversies with any personant. Well, let's just
(31:29):
give a brief overview of the difference between the two.
That's the difference between deodorant and any personant. Well, uh,
any persprit um contains kim things like aluminum and what's
the other one. Aluminium is the big one. Hydro hydro
hydroxy broma, hydroxy bromide, and they will essentially close up
(31:49):
your sweat glands so they don't work. It plugs them
for a little while. And not only no eventually, like
I mean they they it is overall temporary, but the
length of time between the application and the time you
would start sweating again becomes longer and longer with with
UM repeated use, because it actually shuts down your apricrine
(32:10):
gland like it plugs, it swells it and basically says,
all right, I'm done trying. I worry about it something.
To be honest, a lot of people do a lot
of which is a lot. Yeah, yeah, that's a lot, dude. Um.
And yeah, there's there's been plenty of studies that have
linked um aluminum to breast cancer. Yeah, and aluminiums have
(32:32):
been shown to mutate UM cells into cancer cells, but
there's never been like the smoking gun, like, oh, yes,
this person has breast cancer because they use deodorant. Well, yeah,
and the cancers are hard to nail that too, because
there are so many things that could be contributing and
there's so many different types of cancers exactly. Uh. And
then also with what Alzheimer's. Yeah, but I think that's
(32:58):
just a general link, a general tenuous link between Alzheimer's
and aluminum. I'm surprised that the studies are from the
nineteen sixties. Surely they've done something since then. I don't know.
I think everybody's been focused on b P A S
really well, all the breast cancer links are they're newer
than that. But there's just no one's been able to
produce a study that's definitively linked deodorance or any person pants,
(33:20):
I should say to breast cancer. Um, but there's a
strong correlation. Um. There are chalky deodorants, there are the
liquid jelly types. You don't see the aerosols anymore, thank god, right, Uh.
And then there's the disgusting roll on that I'm not
sure who uses still I don't know either. Didn't Tussie
(33:41):
make a roll on? I think so band band was big.
I think they innovated the roll on stick. Uh. And
then also we should say deodorants are they're they're different
from any press prints, and that they don't stop you
from sweating, but they make it so that when all
your cell detritus reach is the skin surface in your
under arms, there's no local Florida eat it and then
(34:05):
produce terrible smells as a waste. Um. Tom's of Maine.
It's very popular natural deodorant. I love that apricaant one
that my underarms laugh at. Yeah. Uh. And then the
crystal stuff that makes um, makes your own arms too
salty for the bacteria live. Right, it's like a mineral
crystal deodorant. I've never used this, so, um, do you
(34:28):
want to talk about any of that? That's not necessarily
body odor from sweating? But there are some other smells
that one can produce, like asparagus p If you, um,
are interested in learning about why asparagus can make your
pee smell, you should check out our video podcast because
we explained it. That's right, you specifically explained it. We
(34:49):
did it together, and I think it was it. Only
a percentage of people believe that there smells. Don't don't
give don't give it away, okay, Um, But if you
want to find that, you can find it on iTunes
just look for stuff you should know his video podcast,
that's right. Um. You can also find it on our
ss feed on how stuff Works. It's short and uh,
kind of fun, like we're having a good time doing them,
(35:10):
and they're really loosen, like, man, they're so loose. Yeah,
the things we're getting away with saying I don't think
people understand um. Yeah, so okay, um, Oh so you've
got asparagus p you have UM maple syrup urine disorder.
We've talked about that too. Yeah. It's a real thing,
and there's no other clinical term for it, like that
(35:31):
is the name of it. And it's actually kind of
a big deal. Like you have problems with your metabolism,
it's a metabolic disease UM, and these amino acids can
build up and kill you if you're not careful. Yeah,
and it's in kids, and I think adults UM have
a similar condition. You can make it to adulthood, but
(35:51):
it won't smell like maple syrup anymoretal like say it
you say burnt sugar. I'm not sure what that's like. Um,
you've never surely like, um, oh what's that wonderful dessert crimble,
Oh well that's lovely. Yeah, okay, yeah, No, it's complaining
(36:11):
about the smell of their pea, but it's very worrisome,
you know. Um. If you are around a diabetic a
person with diabetes UM who suffers from keto acidosis, you
might say that they smell a bit like nail polish.
Removering that their breath smells kind of fruity and like
juicy fruit, kind of gotcha. Um. And then what else
(36:32):
chuck fish oulder syndrome. Yeah. Um, that means you lack
the ability to metabolize something called t M A and
that apparently smell like fish. I don't know what kind
of fish, but it's fishy. Yeah. And that's pretty Um
what do they call that? I'm daring you to try
(36:54):
and say that word. Try and methyl m and euria nice,
thank you? That is the word. That's um, that's the
name primary trimethyl amin urea. And that is the condition
which means you can't metabolize the t m A and
that means you will smell like fish. Yeah. And then
if you have phennel ken turneria, you might have a
(37:17):
barn like smell, musty barn like smell. Can you imagine
if you had the fish odor disease you sweat blue,
and you had that condition that makes your face silver,
what kind of life would that be? That'd be a
heck of a ride. I'm praying that none of those
things are compatible. I mean it's possible. The blueskin thing
(37:39):
that's just from too much copper, right, so there could
be some comorbidity. Silver silver, silver, yeah, sweat blue. I
got nothing else. Well, hyperhydrosis Just for my friends out
there who suffer from hyperhydrosis. I don't think I have
hyper hydrosis. That's like I'm just extra sweaty. Hyper Hydrosis
is really really abnormally high, like these sad cases you
(38:02):
hear about, and it can be men and women where
your palms literally sweat all the time, just like leaking water. Um,
and you can there's a variety of things you can
do to treat that, from surgery to uh ion to paresis,
which is using electrical an electrical current to disable your
sweat glands. Right. You can also have them surgically removed.
(38:26):
I wouldn't mind that from the neck up really, yeah,
because that's where my sweat bothers me. I don't mind
like sweaty body. But when you're like, you know, you
can get boat toox to fix that, nothings. Well, it works. Um.
There's also I do have one more thing, brome hydrophobia.
I thought that was interesting. So it's the fear of sweating.
(38:48):
I al thought it was a fear of stink. Oh yeah,
you're right. And the fear of stinking from sweating. Brome
hydrosis is yeah your body owner, Yeah, yeah, you're right,
chu um. And somebody who suffer from rome hydrophobia will
take a lot of showers every day, to the point
where it's been linked akin to O c D. But
(39:11):
there's no other behavior except for you know, taking showers
or trying to or your fear of smelling. It's not
you're not You're not messing with light switches or anything
else too. It's just this fear of smelling. I had
that with poop smell specifically. Oh man, if I walk
in the bathroom and someone's taking care of things, I
like leave immediately. Or I will often put my shirt
(39:36):
over my nose and I do that when I clean
out the litter box, and when I do the dog
poop on the walks, I put my shirt. I can't
stand that. Yeah, because anybody has seen the Ice Storm
knows that, like, those are the volatile organic compounds of
your poop that you're smelling. That's what the odor is.
It's what was that about Ice Storm? I've seen that
movie ten times. Some kids says that like in like
(39:57):
a school report or reything like that, and from that part.
I've never seen the movie and I know that. Oh man,
it's great. Yeah, Angley great director of the Hulk. Yeah. Um,
so what else? I got nothing else? Let's stop talking
about this then, yes, please if you like this one.
There's a surprising amount of stuff about sweating on how
stuff Works dot com, uh, sweating colors, the difference between
(40:21):
any personant and deodorant, and come listen to those old
podcasts are good too. Um, and there's just a lot
of sweating stuff if you have sweating problems. I personally
wrote it a lot of sweating things too, didn't you.
Um no, no, there's ironically there's a push about remember
that stuff. Um. But just type sweating s W E
A T I n G in the search bar how
(40:41):
stuff works dot common. That will bring up some cool stuff,
I said, search bar, which means it's time for listener mail. Josh,
I'm gonna call this one on guard I think that's
a funny one, hey, guys. Through college I was really
active and fencing, the sport generated by the ancient rules
and honor code. You guys mentioned. One interesting symptom from
(41:04):
engaging and fencing through UH though, was an ultra critical
eye on swordplay shown in films. Movies like Star Wars,
Pirates of the Caribbean, and Highlander are examples of what
is called quote show fencing, the art of making the largest,
flashiest attacks without ever threatening either actor. Um show fencing
(41:27):
is sometimes slanged as Flynning after Errol Flynn or Mark
Hambling Cameling. Um he says that Errol Flynn pioneered this technique. Yeah,
he's a swashbucklet to us, and still is. I think, well,
he's good. He lives on though as a swashbuckling. Um.
If you or your listeners want to see excellent representations
(41:49):
of Hollywood showing true fencing, I have two recommendations. First
is the black and white version of The Three Musketeers.
I think it's from I can guess the other one
Riding in Cars with Boys, How to Lose a Guy
in Ten Days. The rapier duel on the staircase at
the tail end of the film is still admired of
(42:10):
some of the best fencing on film to this day.
The other film I'd recommend, and we got a few
people tell us about this one is Ridley Scott's uh
directorial Premier ninety seven, The Duellists, based on the true
story of two Napoleon Area Area Napoleon era French officers
with a feud lasting for decades. The film accurately shows
(42:34):
multiple types of duels and weapons, including foil uh, cavalry,
saber pistols just to name of you, fo foils, the
really thin long thin fencing. How gonna go out in
a limb and say that without looking it up? Well,
we got some coffections coming to anyway. The film is
(42:55):
simply a must for those who want to see great
fencing and accurate dueling. Um. And that is from Josh.
That's from me. Yeah, thanks me, thanks. While we're on this, um,
that joke my memory, the dueling UM reminded me of
a movie that we well, not not just a movie, Wow,
I'm a hic, a movie and a book um that
(43:16):
we left out of the Revenge podcast, the Count of
Monte Cristo. I don't know how we did that, because
that is like the quintessential Revenge plots. Yeah, that's true.
That And also I want to say in the beer episode,
I wrongly attributed the super human happiness to one of
the guys in the bands for Human Happiness, when really
it was a super fan named Kurt Schlachter. So sorry, Kurt. Well,
(43:40):
and since we're on that, you also called New Belgium
new Amsterdam. Oh yeah, that was a big one. I'm
really sorry. Guys. They've even sent us peer before New
Belgium makers of fine Fat tire sixteen sixty four. Now
that's Cronenberg. Let's just stop right here. And you do
have to pay all kinds of money for covering songs too,
of the way, that was completely wrong. Okay, yeah, that
(44:04):
was a huge sidebar in the Yeah, like they would
spell it out like, no, you don't have to spend
money to that's crazy, that's wrong. Okay, well good, so
I feel clean, like we just purged ourselves of all
the correct Yeah. And not only that, I didn't realize this,
but clubs that have like cover bands that play there
actually pay like yearly licensing fees just so they can
(44:25):
have like the Kiss tribute band play. Oh man, so
I don't think the band plays. I think it's up
to the club to take ownership with that. People will
pay anything to have the Kiss tribute band play, especially
if it's Strutter. Yeah, that's all them. So let's see
if you're related to a member of the band Strutter
or Kiss, or you have a correction for us, send
it along. Just don't be a jerkoin you do um.
(44:47):
You can tweet to us at s Y s K Podcast.
You can join us on Facebook, Facebook dot com slash
Stuff you Should Know, and you can also reach us
via email at off Podcast at Discovery dot com. Be
sure to check out our new video podcast, Stuff from
(45:10):
the Future. Join How Stuff Work staff as we explore
the most promising and perplexing possibilities of tomorrow, brought to
you by the reinvented two thousand twelve camera. It's ready,
are you
Brought to you by the reinvented two thousand twelve camera.
It's ready. Are you welcome to Stuff you should know
from House Stuff Works dot Com? Hey, and welcome to
the podcast. I'm Josh Clark, Charles W. Chuck, Bryan's with me.
(00:20):
If my my nose doesn't deceive me, I didn't do
my cheeks today, that's bad luck. Now, thank you. I
don't think that that's gonna save this episode, but it
will make it from being the worst, probably like the one,
the unreleased one. Yeah, in case of brake, we'll make
that when we retire, that will be our final episode,
(00:43):
will go out of the whimper. That's not bad idea. Yeah,
there's a lost episode everyone that only Jerry, Chuck and
I know about, in case of emergency breake Glass episode.
It is so bad that if if something happens, we
we released the emergency episodes. Right. Yeah. That feels good
to have, does it? Yeah? Yeah, I guess so. I
(01:06):
feel like we have a margin of error, but of one. Um,
All right, Chuck, let's get this started, all right. You stink,
I stink, We all stink. Jerry doesn't stink. Jerry smells
like lilac. She does. Um, but the wow, you just
threw me off with that one. But your stink and
my stink are unique. Um, it's like, um uh it's
(01:31):
called an oder type, right, So an oder type is,
as I said, very unique. It's uh so unique that
there is research into figuring out how to identify somebody
through their odor. Yeah. I thought that was interesting. It's
like a smelly fingerprint. Yeah. Um. And no matter what
you do, it can't be masked, like you can't alter
(01:55):
it to where a machine that's designed to molecularly and
allies odors can't say oh it's Josh, Oh there's chuck.
And they're also they're really laying on the Polo cologne
today for some reason because this that was my man.
I remember the day I did you wear that bottle
of Polo? It is like the size of my torso
(02:15):
and I was so excited. I only wore one cologne
in my life for like two years in high school. Yeah,
Benetton Colors it was. But um, I haven't worn cologne
since literally I was seventeen. Yeah. I went through maybe
like three periods of my life where I worked cologne
for a little while, and then finally I'm like, I
don't wear cologne? What am I doing? Not? Not many
(02:39):
guys do anymore? Do they? Yeah? Really? At the gym
I go to, it's like get out of the sauna. Now, Wow,
it's bad. Yeah, when I told you, I think one
time when I lived in Arizona for a year. It
may be cultural, but those dudes work alogne like a
lot and hair jail, don't they. Um, I seem to
remember a fair amount of depitty do Yeah, Arizona is
(03:01):
like New Jersey West, So anyway, we all have very
distinct odor types, is what it's called. Oh and not
only can you not alter it to with the machine,
but if you're a mouse and you're trying to mask
your scent, other other mice can still see who you
are through their Yeah, I saw that that study. Should
(03:24):
we tell them that the technique they use, even though
I don't understand it involves tickling uh volatile b ocs
like you get in paint, volatile organic compounds also in
your body, which is just something that turns to gas
at what we consider room temperature exactly. They use they
can analyze uh, these scents in your sweat, saliva, and
(03:45):
urine using gas chromatography, mass spectrauma spectrometry. That's good stuff.
I'm glad you got hung up on that. Yeah. I
don't know how that works, so I didn't have enough
time to look into that. But that's what the Pentagon
and the Homeland Security are using to try and snip
out terrorists and also apparently to figure out if someone's
(04:08):
lying because there's different kinds of sweat. There's different kinds
of sweat glands. Um as you know, we've actually kind
of covered some of this. Remember we did what's the
difference between any perse print and deodorants? Again? Yes, okay,
I didn't think that was me. I mean you were
wildly impressed with Like I had a theory about, um,
deodorant stocks going up. Remember hormones and milk are making
(04:32):
kids hit puberty younger in my opinion. Uh, and then
with global warming, people are going to need more deodorants,
so theodorant stocks were the way to go. Um, that's
not as good as my early man theory. What happened?
They melted? So happened to the Neanderthals? These are the
old days. Yeah, I think that theodor one was like
one of the ten minutes shows, wasn't it. It It was
(04:54):
pretty quick, like really early. Yeah, but we're going to
revisit it because even you don't remember it, and you
were in it, I remember right now. Um, So we're
gonna talk about the different kinds of sweat clans because
we've also talked about this before and what can you
sweat colors? Yeah? Okay, but let's let's do it again.
You want to? That was the introduction. That's great, I
love it. Um. You know, they also have studies that
(05:17):
that say that little babies are more attracted to their
mothers obviously because of their scent and like early on
humans can sniff out their parents, which is and I
don't think it's a theory of mine. I think it's
pretty well established that if you're like a smoker, even
if you're like, oh I don't smoke around my kids,
they still sniff that stuff out and they are more
(05:37):
likely to smoke later on because of that. Is that true? Yeah?
Oh yeah, children of smokers are way more likely to smoke.
I know in studies of um babies born eyeless and
as worms, they will like they'll sniff their parents out
and like just wiggle over toward them even though they
can't see usually can't hear. It's a neat study. Um,
(06:00):
there's a lot of stuff in here like that. Um,
so let's talk about the different kinds of sweat glands.
You got echrone glands. Yeah, those are my favorite, same
here because they cool me off. Yeah, they're innocuous. They
basically just secrete water and electrolytes, which if you've seen
um idiocracy, you know how important electrolytes are. Um and yeah,
(06:24):
it's used to regulate body temperature. Your hypothalamus says, hey,
you're getting a little warm here. Let's get rid of
this perspiration. The water, the the the water and electrolytes
on your skin. When they evaporate, it's going to cool
you down. And I love it. And sweat doesn't stink.
I think we've pointed that out before, but it bears repeating.
The sweat itself is not smelly. And I like saying
(06:47):
that because for obvious reasons, it's well established that I'm
a sweaty guy. But I'm not a smelly guy. No,
you really aren't. I was thinking about this. I'm like,
I was. I was thinking about you as I was
researching this, and I was like, you know, Chuck doesn't smell.
I've never I've never smelled chuck. And I've been around
you when you're sweating. I've been around you when you
(07:08):
were wearing nothing but like shorts and a Hawks jersey sweating. Sah, well,
you better be sweating if you're wearing that. Yeah, that's
because I take exactly, That's because I take care of
myself and do all the things that we're gonna talk about,
like bathing. Yes, So in ekorne sweat um, there's nothing
to smell. Electro LTEs don't smell in the other sweat
(07:29):
gland and ecorn sweat glands are found all over your body.
The other sweat glands epicrine like sweat glands, they don't
smell either. I know what you're saying. Like that, you
you produce sweat, but it has a lot more than
just water and electrolytes chuck. Anytime a cell excretes waste,
poop something out, or is destroyed through maybe autolycens or whatever,
(07:52):
there's a lot of little um cellular detrius and that
stuff has to leave the body because you don't want
it to build up. You want to get rid of
your broken up dead cells, and they enter secretory cells
in the skin and hike along with your sweat. So
the apricrine sweat is a means of disposal, cellular detritus
(08:17):
disposal in your body. But even that doesn't smell. Yeah,
what produces the smell? Uh well, And we did cover
this before, but it is bacteria that basically eats those
proteins that we sweat out and then they poop them out. Essentially,
they poop out fatty acids that stink. That's the smell.
(08:40):
It's not us, it's the local flora, the bacteria. I
don't even like the word flora, I know, and it
doesn't even make sense because bacteria aren't plants, and even
if they were plants, um flora apparently refers to multicellular plants. Yeah,
but they call local flora bacteria's local flora um and
(09:03):
a little protozoa on your body, those are called fauna
local fauna. And I can't figure out why. Uh well,
I bet the answers out there. I looked, man, really, Yeah,
if anybody knows that this is the one I'd really
like to know from this episode. Well, what we do
know is that these nasty applecrine glands are found in
(09:24):
some pretty unfortunate places like you're growing or you're growing
and your armpits um, your what is it the and
your hands and your feet, So that's where you're gonna
smell um in your feet. Interestingly, the reason they don't
smell quite like your armpits is because they also produce
(09:46):
fungus in addition to the bacteria pooping out batty acids. Yeah,
and that's why your footot is going to be a
little different. It's not really coincidence that, like all of
these places are hairy, well except for your hands. Yeah,
and I guess the soles of your feet, but your
armpits and your groin are hairy. I'm five years old,
loves naturally they're hairy. Um, and uh, when we wear shoes,
(10:12):
were in socks whatever. Where we are providing like these
great places for bacteria to thrive and eat the stuff
to their hearts content. But it takes about an hour apparently. Yeah,
that's a good news. So when you start sweating apricrine
cell detrius through your armpits um, you it takes about
an hour for the local bacteria to digest. I mean
(10:35):
they'll eat it immediately, but then they lay around, have
they wake up and they're like, I got a poop
and they poop and then you start smelling. Um the
other gross thing, and there will be many gross things,
but to me, one of the gross things is the
the ekron glands secrete kind of you know, clear liquid,
but the apicrin glands excrete liquid that can be thicker
(10:58):
and milky and hello, which is why if you've ever
had the old mustard stains on the undershirt, which are
really unsightly they are, that means it's time to get
rid of that undershirt, or if you're like me, then
it's time to keep wearing it until it's crunchy. Yes,
and I know the crunch you're talking about. Yeah, I
(11:21):
think that's the deodorant as well, I hope, so in
combination with the milky yellowish secretions. Yeah, uh yeah, so
that that's the gross stuff. That's where your pit stains
come from. UM and the smell. Also one of the
big guys of the smell world as far as the
waste products that the local flora are producing is um
(11:43):
E three methyl two hexanoic acid. That's what's making you smell, friends,
that's the one. It's one of. And the bacteria that's
producing this are called microcoxie or staphylocoxie. And um, like
I said, this is where they love living in your pits. Um,
And I don't know if like they live in our armpits,
(12:03):
like over time they've become attracted to human armpits the revolution,
like they're like, oh, well this is where we eat,
so we live here. Um. And they never learned you
should never poop where you eat. They do the whole
gam but you know, um, or poop where you live? Um,
but it's poop where you eat. I think it's both,
(12:24):
is it? Yeah? Okay? Um? I wonder if like they
were attracted to humans over time, because I mean, are
we born with these things in our under arms? I
don't know how do we pick them up? How? How
soon after birth do we pick them up? Well, I
don't think we're born because newborn babies don't have the
ap aprican sweat. So that's why little babies smell delicious.
(12:47):
And unless they're pooping, which is like an ungodly thing
such what is wrong with babies? So yes, you're right, Um,
we we aren't born with apricream glance. We develop them
around puberty. You probably won't start the body out or
of the b o um as my mom always called it,
until until puberty, till your teen years, and that's when
(13:10):
you start getting stinky and um. So it's not just
there's not just a difference between little kids, between teens
and tweens, right, tweens on stink teen stink um. Supposedly
there's a distinction among um races. This is highly controversial,
(13:32):
is it? Yes, it's not nearly as cavalier as it
might seem in this article. You can't just say like, oh, well,
Asians are the least stinky um. There's there's supposedly here's
the problem. Okay, here's the problem that the field of
anthropology has with this. It's possible that there are differences
(13:56):
among among races, but you can break it, don't even further?
Is it um? Is? Is it food based? Is a
diet based? Like? Is it? So if you are in
northern India you're eating less curry in southern India India
or vice versa. I can't whatever, So are all Indians?
(14:17):
Did all Indians share a similar smell that's more pungent
than say Europeans. The it you can't and even within that,
it's like, how many vegetarians are there that hate curry
in India? Well, the reason you point out curry, we
should point out is because that's mentioned specifically in the
article as one of the more highly um pungent foods
(14:39):
that will eventually come out in your sweat exactly like garlic. Right. Um.
But the the I guess the point is is, um,
when you differentiate among people, whether it's smell, especially if
something is unpleasant as body odor, then you are you're
creating a disparity. You're propagating the possibility of racist stattitudes
(15:00):
because if this person is different from me and how
we smell, how else is that person different? You know,
maybe I don't really like that person. Well it's not
even endorsement. Well you just well you have to be
careful with Plus the other problem is is most of
the research that that is cited um these days for
difference among races and body odor was last compiled in
(15:21):
like the nineteen thirties. And then also for example, like
Asians have fewer axillary glands, do they? I don't know
when's the last time anyone checked. And then some of
the other old data suggests that half and estimated half
of Koreans don't even have axillary glands, so they couldn't
even sweat if they tried. You know, you see the point.
(15:42):
So you're saying it's just hinky data, it's old data,
and you're not supposed to cite data over ten years old. Well,
why don't we just as a as a show, as
a part of the public specter, say, some people stink
some and some people don't. Yeah, people are people, Some
stink somet' so why should it a be jerry like
(16:02):
that one she saw her that. Um, men definitely, uh
are are stinkier than women in general. We don't mind
a little sexism, especially when we're throwing it on ourselves
as stinky men. But it's not sexism because it's true
and it's not. I mean, there's no there's no disparaging
that comes along with that. That's true. Um. But and
(16:23):
this is actually backed up by some science. We have
more testosterone, which is gonna up your production of the
apricree sweat. I'm just gonna lead to stinkiness. Um. Another
theory is that women are more efficient regulators of their
body temperature because they have less core heat going on
because less muscle and fat than us dudes. And conversely,
(16:45):
you can make the case that men are more efficient
at um cooling there themselves. Yet true because women don't
just tell sweat as much. And I thought this was
really interesting, and so did Emily because I was throwing
some stuff at her today while I was researching when
men actually need one degree higher body temperature in order
to start sweating to begin with. Yeah, I thought that
(17:06):
was interesting and must be significant. I found it sounding
hypothesis that that face unners attached to that. That's that
women have less body fluid than men and so have
evolved to sweat less. And so that would be the
mechanism that that that evolution is taken the form of
well lucky ladies, is what I say. But what's interesting
(17:27):
is no, because if you are working out and your
lady you suffer, you stay hotter longer, you get hotter. Um.
And there's a study in Japan of all places, because
they can't even sweat, you know, um that where they
found that um women could train themselves just by working
out a bunch like forming a workout routine over time
(17:48):
to start sweating earlier, um than women who were just
like working out for the first time got you. Yeah, well,
since you brought up Japan, this is a sidebar, but
we'll throw it in there. Um. And I thought this
is interesting. Apparently they take their their sweating and their
stink pretty seriously over there, because they have a couple
of interesting products. One company, um Aoki, has developed a
(18:11):
deodorant suit that uses uh fabric with silver ions impregnated
in it to fight off this bacteria just by wearing
it right. And then they think they have determined. A
cosmetic company thinks they have found the fatty acid responsible
for old people smell, which I thought was really mean
(18:32):
to say. And uh, no, Neil is the fatty acid.
And in Japan they call old people smell carry issue
and they are trying to combat that. And I guess
grandkids all over the world they're just gonna be like
spraying their grandparents when they walk in or when you
inherit the house, you just walk around and spray carry issue. Uh.
(18:55):
It's interesting though. I went over to my mom's last
night and I realized that her home that it's not
the house I grew up in. This is She's been
there for a while though, um, probably fifteen years. It
smells like my grandparents house that I went through growing
up in Tennessee. That's interesting, like a lot like it,
And I don't know. I mean, it's gotta have something
to do with heredity or maybe products or furniture that
(19:18):
you have some of their stuff, do it. Odor types
are genetically um based, Yeah, so, I mean it would
make sense that your mom inherited some of her ODO
type from her parents. It's what. It was very comforting though.
I was like, wow, oh yeah, man, I'll bet granddaddy'suse
you unless your grandparents stunk like ox and I'm sure
it's very comforting even more were abusive and hated my guts.
(19:42):
You're like the scent of Guardinia makes you like drop
into the fetal position. You never hear that of like
abusive grandparents. That's like, that would be the worst thing ever.
I'm sure there are some you gotta be out there, yeah, yeah,
but you don't hear about it much. Thank god, thank god, everybody.
It keeps that secret. I've been around some mean old
people though, so you know what, everyone has that capacity.
(20:06):
It's true, and that's why I quit boy Scouts and protest.
Oh no, I just didn't like the idea of respecting
your elders. No matter what. I was like, no has
to earn respect. Agreed, Thank you. Alright, I finally vindicated
after all these years. Um. We did talk about this
(20:26):
in another podcast about women able to pick up um.
I think when we talked about it before, it was
a study about women able to pick up clues through
scent about whether or not someone's a good reproductive partner.
Like that there they would have a different immune system
than you together in form of super baby, definitely one
(20:48):
that wasn't born without eyes with a worm like body. UM.
We also kind of debunked that, yeah were The research
we found is that like we don't even have the
capacity to um detect for modains any longer, most most
humans don't. So like that whole idea is a little um.
There was there was it's it's hit or miss, Like
(21:09):
there's some studies that suggested, yes, this is true, others
that didn't. If you read the um the release though
on this study that this guy is talking about. Yeah,
the guy just like the researchers just totally leapt to
a conclusion. They were like women can differentiate, Like it's
tougher to mask um a man's odor to a woman
(21:36):
and he basically said, ergo, women can detect body odor better,
which means that they must be detecting like something like
immune system robustness or something. It was like, where did
you get this extra stuff? You know, it's drive me crazy.
I'm on a tirade today. Research. Yeah, I'm sorry, everyone,
(21:57):
I'm I'm very sorry. Well, speaking of that leads us
right into this article. Actually, we're we like to point
out when our own articles aren't quite up to snuff.
And there were a few interesting things and it's a
shame that we can't find verification on these, because I
thought it was interesting, really interesting. Um. A tribe in
New Guinea says goodbye to each other by rubbing each
(22:18):
other's armpits before they leave, and so you can keep
a little piece of the other person to sniff. That
was really sweet. It's not a bit gross. And you
said that it might be bunk like I found. I
found virtually no support for this, and everything I found
was like not a reliable thing. Um. And then Austrian tyrol,
which is a very specific place to bus about, but um,
(22:41):
they supposedly men would dance with handkerchiefs in there tucked
under their arms and their armpits, and I guess, work
up a real sweat, and then be like you and
point to the girl he was going for and wave
the handkerchief under and knows she would swoon, and they
get married and have babies in that order. Didn't find
verification for that either, right, No, same same thing. But
(23:03):
I found even less for that. What about the last one?
This one appears to be true, all right. I misinterpreted
this because I told Emily this one this morning that
in Elizabethan times they would soak peeled apples in their
armpits sweat and give them to their lover when they parted,
and I, for some reason, took the lead to mean
that they would eat them, and I thought it was
(23:24):
a grossest thing I ever heard. And Emily was like, no,
I don't think they eat them. I think they just
keep them. But they're they're called love apples, by the way,
Well that's not what I call love apples. What do
you call love apples? Apples that you know you give
to the teacher on their desk? Yuh, because it seems
odd that's an apple for the teacher's not love love
(23:46):
apples because you love your teacher. Huh Um, were you
home schooled by your mom? Wasn't? Uh, but my dad
was my principle. Um, I don't know. Did they eat them?
I'm sure some sick ate them. And how the oscar
wilde ate them? How did they collect enough? How do
they collect enough underarmed sweat to soak them? Is what
(24:07):
I want to know. Oh he was Victorian, This is
Elizabethan Um soak it up in a hanky and ring
it out? Maybe I think they just sat there for
a while and like, um, but it doesn't like drip
out if you're dripping rub it around all right, who knows,
we'll try it. We'll try and make a video of it.
Oh so maybe they would rub the apple on their
under arm. That would make sense. Yeah, I imagine they
(24:28):
collected and just like hover over a table with an
apple on it. Well no, I imagine they collected the
under armed sweat in a dish and then soaked it
in that. But that's why I was thinking. Just ignore
me for the rest of the show. What was it?
Was it kids in the hall where they had like
some guy's body odor was so beautiful that like they
had this guy like some perfume company bought him. Basically
(24:51):
and they had him running on a treadmill and it
was either Mr. Show or Kids in the Hall. It
was hilarious. Not cabbage Head clearly. No. You know it
was like a segment, like an additional segment. You know
that you can tell where they're like, they put some
money into it. Oh yeah, yeah, alright, where are we? Um? Oh?
(25:11):
I did think this was interesting. The term b o,
of course, comes from an advertising agency that didn't surprise
me at all. Nineteen nineteen um Odo Rono deodorant. They
and I love how this ad goes. Remember that wonderful
man you met, the way he danced, and the telephone
number he asked for and never used. You should take
(25:34):
the arm whole Odo test stinky, Yeah, like a stinky woman.
That's why the man didn't call you back, eighteen year
old spinster. So yeah. Products in nineteen nineteen were not
afraid to be uh sexist jerks. No, and I went
back and I remember the spec ind Um. They released
(25:54):
a product called mom and Um. Think back with me
to the anti perse a deodorant one Um. You had
to apply it with like a swab on a stick,
and it worked, but it also would like burn a
hole through your clothes and that was the first deodorant, right, yes, Mom,
I think it was still around for a while. Well, Tussy,
(26:17):
what was that? I don't know? Or what was the
sprinkle a day one? Uh, just a sprinkle a day
for feed? Have you had your sprinkle to day? It
was like a general body deodorant. I don't think it
sprinkling your body like gold bond. Yeah. I like the
gold bond though. Oh yeah, that's a lifesaver with certain things.
(26:41):
So so Chuck, Yes, have you ever seen um that
one Simpsons where the Homer and Marge have their kids
taken away from them and they have to go to
the government parenting class. That's what this next segment is
going to feel. Like, what do you do if you
um find that you have body odor? Well, um, one
(27:02):
thing you can do, Josh, because interestingly, um animals would
use their scent to broadcast and it would scent would
get tangled up in the hair, so we'd stick around
a little longer. So obviously if you have hair and
like you're growing, what you do and your under arms,
so I could pointing out the smell is gonna stick
around longer. So if you keep that area trim then, um,
(27:26):
you're less likely to have odor in those places. Yes,
that's good advice. And I'm a I'm a believer in
keeping your body neat as a general rule, regardless of
the scent factor. You know, take care of yourself, well, yeah,
may manage your your hair, your ear hair, your nose hair.
And there is nothing shameful about a man getting a
(27:47):
manicure and or petticure. Okay, Uh, that was supportive. Well,
I mean it has nothing to do with body under sure,
there's nothing taking care of yourself. Well, I don't have
I bite my finger and else, so there's really kind
of no point for me. You know, remember Carrie Grant
took a bunch of acid. Well they Uncle John's Bathroom
Reader published like a list of like some of his
(28:09):
best quotes while he was tripping, and the psychiatrists like
wrote him down. And one of them was, if I
have to look at him, man, shouldn't he have to
comb his hair and brush his teeth? So Carrie Grant
was a big time into taking care of yourself to him,
and look what happened to him. He had a long,
successful life exactly. He's an acting legend. Bathing Josh we said,
(28:33):
it takes an hour for the bacteria to do its thing.
And so if you've got you know, you've got a
big interview or something, you a little nervous, take that
shower less than an hour. Yeah, because I don't know
if we mentioned this. Um Ekran sweat is triggered by
body temperature. Epicrine sweat gland is triggered by emotion. Yeah
we didn't. We didn't. Actually, anxiety specifically is a big
(28:56):
one that makes you start sweating. Yeah. Boy, I sweated
a lot when I interviewed here. Oh my god. It
was July. Yeah, me too, and it was so and
I couldn't figure out where this building was. Kind only
just said like park it it's like by at Lenox
parked Atlantics Mall And walked in like a hundred degree
heat means like half mile and was like my shirt
(29:18):
was like a dark blue even though it's supposed to
be light blue. And I'm like, hey, I'm here to
be interviewed. But I remember the shirt I wore two
and it was light blue, which was a big mistake.
I don't know what I was thinking. And I have
not dressed that nice at this job since that day,
which is I think I should go at every job.
Wait a minute, you are you wearing a suit? Brown? No? No,
(29:40):
I should punch you for saying that I didn't wear
a tie or anything. And you know it's like a
nice shirt and pants. But look at me now, I'm
glad you didn't punch me. By the way, Um, what
are some natural remedies Josh to avoiding this kind of thing?
If you're not into the chemicals? Boric acid? Tony Mule
Team are good friends a Towny Mule Team? Uh, sprinkle
(30:03):
a little powder under the arms. Yeah, it's actually a
low level acid. Yeah, and I think probably what it
does is just makes your armpits inhospitable local flora. There
you go. Yeah. Vinegar, which is just like the most
amazing thing in the history of the world. Do you
drink that stuff now? I mean Lea's vinegar for like everything.
You mean, It's got me into like drinking diluted vinegar,
(30:24):
drinking it today, weed killer and kill weeds, you know,
like big time? Uh, like any not any, but many
many chemical remedies. I bet you if you look up
on these homespun websites, some kind of vinegar might help
you help you out as well. Well, it's changing the pH.
Any time you change the pH, that's something's accustomed to,
(30:45):
it's probably going to just die. Which hazel, Yeah, I
like that smell, do you? I can't stand it. I
like it baking soda. Um. As the article points out,
it works in your fridge, so it'll work on your armpits.
I've never done, ideally theoretically rosemary oil. Yeah, dilute that
in some water, little sprinkle on your under arms. Have
(31:09):
you done that one? You know? It does work those
um tea tree oil because it's an antimicrobial, right, so
it's just gonna go in there and destroy everything it sees.
That'll dry out pimples to a big time. Um. Well,
since we're on deodorant, we might as well talk about
some of the controversies with any personant. Well, let's just
(31:29):
give a brief overview of the difference between the two.
That's the difference between deodorant and any personant. Well, uh,
any persprit um contains kim things like aluminum and what's
the other one. Aluminium is the big one. Hydro hydro
hydroxy broma, hydroxy bromide, and they will essentially close up
(31:49):
your sweat glands so they don't work. It plugs them
for a little while. And not only no eventually, like
I mean they they it is overall temporary, but the
length of time between the application and the time you
would start sweating again becomes longer and longer with with
UM repeated use, because it actually shuts down your apricrine
(32:10):
gland like it plugs, it swells it and basically says,
all right, I'm done trying. I worry about it something.
To be honest, a lot of people do a lot
of which is a lot. Yeah, yeah, that's a lot, dude. Um.
And yeah, there's there's been plenty of studies that have
linked um aluminum to breast cancer. Yeah, and aluminiums have
(32:32):
been shown to mutate UM cells into cancer cells, but
there's never been like the smoking gun, like, oh, yes,
this person has breast cancer because they use deodorant. Well, yeah,
and the cancers are hard to nail that too, because
there are so many things that could be contributing and
there's so many different types of cancers exactly. Uh. And
then also with what Alzheimer's. Yeah, but I think that's
(32:58):
just a general link, a general tenuous link between Alzheimer's
and aluminum. I'm surprised that the studies are from the
nineteen sixties. Surely they've done something since then. I don't know.
I think everybody's been focused on b P A S
really well, all the breast cancer links are they're newer
than that. But there's just no one's been able to
produce a study that's definitively linked deodorance or any person pants,
(33:20):
I should say to breast cancer. Um, but there's a
strong correlation. Um. There are chalky deodorants, there are the
liquid jelly types. You don't see the aerosols anymore, thank god, right, Uh.
And then there's the disgusting roll on that I'm not
sure who uses still I don't know either. Didn't Tussie
(33:41):
make a roll on? I think so band band was big.
I think they innovated the roll on stick. Uh. And
then also we should say deodorants are they're they're different
from any press prints, and that they don't stop you
from sweating, but they make it so that when all
your cell detritus reach is the skin surface in your
under arms, there's no local Florida eat it and then
(34:05):
produce terrible smells as a waste. Um. Tom's of Maine.
It's very popular natural deodorant. I love that apricaant one
that my underarms laugh at. Yeah. Uh. And then the
crystal stuff that makes um, makes your own arms too
salty for the bacteria live. Right, it's like a mineral
crystal deodorant. I've never used this, so, um, do you
(34:28):
want to talk about any of that? That's not necessarily
body odor from sweating? But there are some other smells
that one can produce, like asparagus p If you, um,
are interested in learning about why asparagus can make your
pee smell, you should check out our video podcast because
we explained it. That's right, you specifically explained it. We
(34:49):
did it together, and I think it was it. Only
a percentage of people believe that there smells. Don't don't
give don't give it away, okay, Um, But if you
want to find that, you can find it on iTunes
just look for stuff you should know his video podcast,
that's right. Um. You can also find it on our
ss feed on how stuff Works. It's short and uh,
kind of fun, like we're having a good time doing them,
(35:10):
and they're really loosen, like, man, they're so loose. Yeah,
the things we're getting away with saying I don't think
people understand um. Yeah, so okay, um, Oh so you've
got asparagus p you have UM maple syrup urine disorder.
We've talked about that too. Yeah. It's a real thing,
and there's no other clinical term for it, like that
(35:31):
is the name of it. And it's actually kind of
a big deal. Like you have problems with your metabolism,
it's a metabolic disease UM, and these amino acids can
build up and kill you if you're not careful. Yeah,
and it's in kids, and I think adults UM have
a similar condition. You can make it to adulthood, but
(35:51):
it won't smell like maple syrup anymoretal like say it
you say burnt sugar. I'm not sure what that's like. Um,
you've never surely like, um, oh what's that wonderful dessert crimble,
Oh well that's lovely. Yeah, okay, yeah, No, it's complaining
(36:11):
about the smell of their pea, but it's very worrisome,
you know. Um. If you are around a diabetic a
person with diabetes UM who suffers from keto acidosis, you
might say that they smell a bit like nail polish.
Removering that their breath smells kind of fruity and like
juicy fruit, kind of gotcha. Um. And then what else
(36:32):
chuck fish oulder syndrome. Yeah. Um, that means you lack
the ability to metabolize something called t M A and
that apparently smell like fish. I don't know what kind
of fish, but it's fishy. Yeah. And that's pretty Um
what do they call that? I'm daring you to try
(36:54):
and say that word. Try and methyl m and euria nice,
thank you? That is the word. That's um, that's the
name primary trimethyl amin urea. And that is the condition
which means you can't metabolize the t m A and
that means you will smell like fish. Yeah. And then
if you have phennel ken turneria, you might have a
(37:17):
barn like smell, musty barn like smell. Can you imagine
if you had the fish odor disease you sweat blue,
and you had that condition that makes your face silver,
what kind of life would that be? That'd be a
heck of a ride. I'm praying that none of those
things are compatible. I mean it's possible. The blueskin thing
(37:39):
that's just from too much copper, right, so there could
be some comorbidity. Silver silver, silver, yeah, sweat blue. I
got nothing else. Well, hyperhydrosis Just for my friends out
there who suffer from hyperhydrosis. I don't think I have
hyper hydrosis. That's like I'm just extra sweaty. Hyper Hydrosis
is really really abnormally high, like these sad cases you
(38:02):
hear about, and it can be men and women where
your palms literally sweat all the time, just like leaking water. Um,
and you can there's a variety of things you can
do to treat that, from surgery to uh ion to paresis,
which is using electrical an electrical current to disable your
sweat glands. Right. You can also have them surgically removed.
(38:26):
I wouldn't mind that from the neck up really, yeah,
because that's where my sweat bothers me. I don't mind
like sweaty body. But when you're like, you know, you
can get boat toox to fix that, nothings. Well, it works. Um.
There's also I do have one more thing, brome hydrophobia.
I thought that was interesting. So it's the fear of sweating.
(38:48):
I al thought it was a fear of stink. Oh yeah,
you're right. And the fear of stinking from sweating. Brome
hydrosis is yeah your body owner, Yeah, yeah, you're right,
chu um. And somebody who suffer from rome hydrophobia will
take a lot of showers every day, to the point
where it's been linked akin to O c D. But
(39:11):
there's no other behavior except for you know, taking showers
or trying to or your fear of smelling. It's not
you're not You're not messing with light switches or anything
else too. It's just this fear of smelling. I had
that with poop smell specifically. Oh man, if I walk
in the bathroom and someone's taking care of things, I
like leave immediately. Or I will often put my shirt
(39:36):
over my nose and I do that when I clean
out the litter box, and when I do the dog
poop on the walks, I put my shirt. I can't
stand that. Yeah, because anybody has seen the Ice Storm
knows that, like, those are the volatile organic compounds of
your poop that you're smelling. That's what the odor is.
It's what was that about Ice Storm? I've seen that
movie ten times. Some kids says that like in like
(39:57):
a school report or reything like that, and from that part.
I've never seen the movie and I know that. Oh man,
it's great. Yeah, Angley great director of the Hulk. Yeah. Um,
so what else? I got nothing else? Let's stop talking
about this then, yes, please if you like this one.
There's a surprising amount of stuff about sweating on how
stuff Works dot com, uh, sweating colors, the difference between
(40:21):
any personant and deodorant, and come listen to those old
podcasts are good too. Um, and there's just a lot
of sweating stuff if you have sweating problems. I personally
wrote it a lot of sweating things too, didn't you.
Um no, no, there's ironically there's a push about remember
that stuff. Um. But just type sweating s W E
A T I n G in the search bar how
(40:41):
stuff works dot common. That will bring up some cool stuff,
I said, search bar, which means it's time for listener mail. Josh,
I'm gonna call this one on guard I think that's
a funny one, hey, guys. Through college I was really
active and fencing, the sport generated by the ancient rules
and honor code. You guys mentioned. One interesting symptom from
(41:04):
engaging and fencing through UH though, was an ultra critical
eye on swordplay shown in films. Movies like Star Wars,
Pirates of the Caribbean, and Highlander are examples of what
is called quote show fencing, the art of making the largest,
flashiest attacks without ever threatening either actor. Um show fencing
(41:27):
is sometimes slanged as Flynning after Errol Flynn or Mark
Hambling Cameling. Um he says that Errol Flynn pioneered this technique. Yeah,
he's a swashbucklet to us, and still is. I think, well,
he's good. He lives on though as a swashbuckling. Um.
If you or your listeners want to see excellent representations
(41:49):
of Hollywood showing true fencing, I have two recommendations. First
is the black and white version of The Three Musketeers.
I think it's from I can guess the other one
Riding in Cars with Boys, How to Lose a Guy
in Ten Days. The rapier duel on the staircase at
the tail end of the film is still admired of
(42:10):
some of the best fencing on film to this day.
The other film I'd recommend, and we got a few
people tell us about this one is Ridley Scott's uh
directorial Premier ninety seven, The Duellists, based on the true
story of two Napoleon Area Area Napoleon era French officers
with a feud lasting for decades. The film accurately shows
(42:34):
multiple types of duels and weapons, including foil uh, cavalry,
saber pistols just to name of you, fo foils, the
really thin long thin fencing. How gonna go out in
a limb and say that without looking it up? Well,
we got some coffections coming to anyway. The film is
(42:55):
simply a must for those who want to see great
fencing and accurate dueling. Um. And that is from Josh.
That's from me. Yeah, thanks me, thanks. While we're on this, um,
that joke my memory, the dueling UM reminded me of
a movie that we well, not not just a movie, Wow,
I'm a hic, a movie and a book um that
(43:16):
we left out of the Revenge podcast, the Count of
Monte Cristo. I don't know how we did that, because
that is like the quintessential Revenge plots. Yeah, that's true.
That And also I want to say in the beer episode,
I wrongly attributed the super human happiness to one of
the guys in the bands for Human Happiness, when really
it was a super fan named Kurt Schlachter. So sorry, Kurt. Well,
(43:40):
and since we're on that, you also called New Belgium
new Amsterdam. Oh yeah, that was a big one. I'm
really sorry. Guys. They've even sent us peer before New
Belgium makers of fine Fat tire sixteen sixty four. Now
that's Cronenberg. Let's just stop right here. And you do
have to pay all kinds of money for covering songs too,
of the way, that was completely wrong. Okay, yeah, that
(44:04):
was a huge sidebar in the Yeah, like they would
spell it out like, no, you don't have to spend
money to that's crazy, that's wrong. Okay, well good, so
I feel clean, like we just purged ourselves of all
the correct Yeah. And not only that, I didn't realize this,
but clubs that have like cover bands that play there
actually pay like yearly licensing fees just so they can
(44:25):
have like the Kiss tribute band play. Oh man, so
I don't think the band plays. I think it's up
to the club to take ownership with that. People will
pay anything to have the Kiss tribute band play, especially
if it's Strutter. Yeah, that's all them. So let's see
if you're related to a member of the band Strutter
or Kiss, or you have a correction for us, send
it along. Just don't be a jerkoin you do um.
(44:47):
You can tweet to us at s Y s K Podcast.
You can join us on Facebook, Facebook dot com slash
Stuff you Should Know, and you can also reach us
via email at off Podcast at Discovery dot com. Be
sure to check out our new video podcast, Stuff from
(45:10):
the Future. Join How Stuff Work staff as we explore
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