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January 29, 2009 15 mins

One-third of US cat owners are allergic to cats, resigning themselves to years of suffering and expense on their pet's behalf . Could hypoallergenic cats be the solution these allergic pet-lovers need? Tune in and learn more in this HowStuffWorks podcast.

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Episode Transcript

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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? Meaw, and welcome to
the podcast. I'm Josh Clark. That's Chuck Bryant. I was

(00:20):
the same thing. That's yeah, I was cat. That was terrible.
It was a pretty bad. That's about as good as
your elvis impression. Um, actually, Chuck, it was great. Um,
I'm sorry. I just can't so, Chuck, you have cat.
I have two cats. I have Laurn and I have
the Wizard. Nice two cats. You hate it when people

(00:42):
name their pets like actual human names, like Jason or
you know, Gina. You know my in laws are big
on that. They always give their dogs regular names. Well,
my apologies to your in laws. Chick, well Laurn, it
gets conceivably your real name, but the Wizard the Wizard. Yet,
you're you're probably going to be brought up on charges
if you name your kid the Wizard. Okay, So, so
you know what it's like to live among tumble weeds

(01:04):
of of hair just kind of going through your house.
You know, the mice put on little um gunslinging shows
too for your amusement kind of thing. Right, Between our
two cats and two dogs, we could literally collect enough
hair each week to make an entirely new animal. Yeah. Yeah,
I could sweep every day and still get an astronomical amount. Up,

(01:25):
I'm too lazy, though, I don't sweep every day. So
we live in a toxic environment. My wife, Emily is
is she Yeah, but she loves animals so much that
she lives with it. And so your wife, Emily, you realize,
is part of the one third of Americans who love
cats so much that they keep them even though they're
allergic to them. Yeah, think about that. A third of

(01:47):
the people who are allergic to cats still keep That
says something about cats. It really does, doesn't it. Yeah
that's pretty cool. Yeah, it's awesome. So what does Emily
do for allergies? Well, she's got big allergies as a
hole anyway, So she's on shots and pills and nasal sprays.
And there's a voodoo guy that comes around once a

(02:08):
week and does a little nude dance in our room,
and that has nothing to do with the allergy. Nothing.
She did you dye your hair read recently? No, she
has not, So she's on a slew of things, but
it still acts up. You know, those are some bad
allergy You got bad allergies? Wow, How how often does
it act up? Uh, it's the allergy shots have kind

(02:28):
of worked, so it's not as often, but you know,
during the worst of times, it was, you know, a
couple of times a week severe debilitating allergy as well. Yeah. Well,
and is it because of the cat. I'm sure that
doesn't help. Yeah, you know, I think her allergiest said
you should get rid of your animals, and she kind
of said, thanks, I'll get a new allergist. Well, okay,

(02:48):
So so she's a third of the population. People who
are allergic to cats still keep them, and about fifteen
the thirty percent of the population of the United States
has a ager cat allergy. Yeah, that's actually a lot
more people than I thought. It was pretty substantial, and
you know a lot of them will actually undergo uh

(03:09):
immunotherapy to kind of get over their allergy to it.
And it's just the shots. It is it's it's the shots.
It's um. It's basically it's like using local honey to
get over hay fever. Same concept, um, And the local
honey thing hasn't been proven, but it seems to work.
This actually has been proven. And all it is is
you're introducing a low level of the UM, the allergen

(03:35):
that's causing the allergic reaction UM, and letting your body
get used to it. Correct. You want to talk about
allergic reactions for a second. That's my favorite topic, is it? Really?
I just have to deal with it a lot, so
I'm used to it. Okay, do you want to explain him? Uh?
I feel better if you did. Okay. So basically, UM,
an allergic reaction is nothing more than a case of

(03:57):
mistaken identity. Okay. So the cat allergy, the allergy in
that you're you're allergic to from the cat. Will get
to that in a second. UM, It's actually totally benign.
What happens is if the first time your body is
introduced to it and it takes it as a foreign invader, UM,
it will produce and uh animbody to fight it off,

(04:19):
and then every time it comes at it, it will
produce that anibody again. And basically one of the results
is the release of histamines, which actually UM makes your
It opens up the capillaries and your soft tissue, which
is why your eyes water and your sneeze and your
gums bleed and you get the spins. Yeah, well that's
another one too. Yeah. So so that's actually the reason

(04:42):
why that's amazing, he really think. So, yeah, how the
human body works. I love that stuff. I think it's
strange that the human body can make a mistake like that,
you know, stupid body. Yeah. So, so what is this
cat allergen? I believe it's called UM. I'm not sure
if you say it or spell it, and I'm gonna
spell it f E L D one glycoprotein and f

(05:05):
L clearly stands for a feline. So no matter how
you say it, what it is is UM. It's something
that cats secrete through their skin and their saliva. And
it's actually smaller than dust. Yeah, and it gets everywhere,
doesn't it does. There was actually a study of UM
a mattress store in Sweden. This was disturbing. It was disturbing. Um,

(05:25):
they're all these mattresses for sale. You know how they
have mattresses out box spring sets and you can lay
on them. They actually, Um, you have never been one
to actually get on the mattress, but you know, people
rolling around and stuff. I don't like that at all.
So these are brand new mattresses that have never been
in anyone's home, and they the Swedes tested them for
the felled one GLCO or the fel D one glycoprotein

(05:49):
UH and found it in aces on every single one
of them. So this just came from people that the cats.
So it's very easily transferred, very small. Um, it's almost
impossible to get rid of UH. And your cat produces
it constantly through saliva. A glycoprotein. Actually it's it's it
does all sorts of different stuff. It's found everywhere. Um,

(06:10):
it conserves a lubricant. Uh, it can serve as a
connective tissue, right. Uh. It's also structural, so it can
be found in cell walls. It's all over the place,
and it's big and keratin, which is the hair partly, right,
which is why pet dander is so allergic. You got it? Okay, man,
you're smarter than I thought. How Thanks, It's good stuff.

(06:33):
So okay, that's the glycoprotein, right, that's the histamine reaction.
That is the you know cat thing. We've already discussed
all of our and a lot of people are allergic
to UH. Two cats. I think the stat is umi
of asthma cases are allergy related, and of those are
cat allergies. Yeah, okay, yeah, cats in particular tune to

(06:56):
be very allergic. So what do you do, I mean,
asides you know Emily's course of action. Sure, I know
one thing that the article mentions is washing your cat
twice a week. But if your cat, my cat, cats
don't like that. No. I washed my kitten, Lauren when
I found him in a dumpster in Los Angeles. And
I washed him when I first got him immediately because
he was a dumpster kittie. And uh, I tried to

(07:19):
wash him again about and he's I don't probably five
years old now. I tried to wash him again give
him a fleet path about six months ago, and he
was not happy. Now now, he he just complained a lot.
He didn't he didn't like fight us or anything. But yeah,
there are some cats out there that will draw blood
if you try to put water on them. My other cat,
the Wizard, would he would attack. Yeah, so you know
better than to wash him. So that's not necessarily an

(07:41):
appropriate course of action either. No, depending on your cat.
Do you know what is please tell me you could
buy what is called a hypo allergenic cat. Yes, if
you have a cool six thousand dollars to spare six grand,
it's actually what probably so six grand. There's a company
called Allerca, uh, and it's an American company, I believe.

(08:03):
And basically they have created a cat that they market
as a hypoallergenic cat. And they don't have to prove
that one bit. According to the FDA anything, any product
in the US marketed as hypoallergenic doesn't have to produce
any proof whatsoever that it's hypo allergenic. And hypoallergenic doesn't

(08:24):
mean allergy free. It just means that there's a much
less likelihood, um that you that it will produce an
allergic reaction. But to back up its claims, Allerca published
its own study UH. And basically the study could be
called here smell these cats. So they took some people
who who are known to have cat allergies and control

(08:47):
group uh that that doesn't have cat allergies, and um,
they used the the Allerca Allerca cats and basically said,
here you go, you know, here's this cat, and neither
group react to the cat. It seems to work. But
then they used a non out regular cat and yeah
there was a reaction, right, it's kind of meat, but

(09:08):
it is really serves to help market their cause. Well,
the first thing I thought when I saw this article
about hypologenic cats is that it was some sort of
weird bioengineered type of thing, like a a mouse within
ear growing out it's back, right, which we have a
picture of. It's really weird looking disturbing. We paid extra
for that one. It's an ap photo. It's worth every penny. Um. So, yeah,

(09:32):
it's not actually bioengineering though, So those that that I
don't agree with things like that, don't worry. It's actually
selective breeding, yes, And selective breeding basically is you're just
taking um, you know, a group that has a desirable
trait and and continuing to breed them while not letting
them breed with the the cats that have the trait

(09:54):
you don't want. And in this case, um Alerca used
a process called bioinformatic, which is basically slapping computers and
molecular biology together. And from what I gather, they fed
the genetic makeup of I guess, several different breeds of
cats into through an algorithm and it basically spit out

(10:14):
likelihoods that that these breeds would stop producing the fel
D one glycoprotein based on their genetic makeup. Right, it's
no wonder. It cost six grand yeah yeah, right, so
they and I imagine selective breeding keeping these cats from
mating constantly. It's probably a real pain. It's a job. Um.
So they what what the computer basically said was go

(10:38):
check out the British short hair, and so they grabbed
the British short hair, which I guess had the highest
likelihood of abandoning this gene that produces it. Right, Well,
actually it doesn't. It still has the the f l
D one protein, but it's just a different version of it, right, Okay, yeah,
it has a different molecular way exactly, absolutely okay. Um,
So they basically bread it, bread it out of them.

(10:59):
They bread the the f LD one f e l
D one. We're gonna breathe that Glaco protein right out
of you right now. Yeah. And and what what happened
was these the Alerca cats. Now they may look exactly
like a British short hair cat, but it's technically another species.
A species a speciation event actually just occurred thanks to Alerca. Right,

(11:20):
So it's genetic divergence. It's where you take one thing
and put them in there, split them in the two
on the tree of life. So yeah, oh yeah, they
there's a two year waiting list last I heard, and
you could cut the waiting time in half so you
could get it in a year, but you had to
pay an extra two grand, so an eight thousand dollar

(11:42):
cat and you had to wait a year for it. Right,
So I guess they are pretty popular. Either that or
they're breeding fairly slowly. Right, These are some serious cat
lovers out there, there are. But then again, I mean
your wife, she puts up with these allergies and she
would draw the line there though. Yeah. Well, I guess
the moral for today is cat's equal. Great And if

(12:02):
you want to learn more about hype w allergenet cats,
you can type that into our Handy Danny search bar
at how stuff works dot com. Also type in handy
Danny and see what comes up. You'll be pleasantly surprised.
But don't go anywhere. We have something we like to
call the listener mail. Yes, Josh, we're back, as I say,

(12:23):
mere seconds later, and uh, I'm just gonna entitle this
segment from our young fans. We get some emails from
some of our young fans. We love our young fans.
We love the kids out there listening to us when
they listen to the you know, age appropriate shows. Were
we going to stick that at the end of Moonshine
and then thought the better of it? We did, Actually,
now we're putting it after the hype wallergenet cat went

(12:43):
much much more appropriate exactly. So, um we heard from
Cole Silva and Marston Mills, Massachusetts about flirting and young
Cole is twelve years old and he says that he
loved the episode on flirting and it really helped him
a lot. And I may only be twelve, but thanks
to you, I just found out that a lot of
girls have flirted with me this year. So, as you know,
I wrote back to Cole and told him here's another

(13:05):
bit of advice. Be nice and respectful to your female
friends and that'll give you a leg up in the
future on all those little dorky friends that make fun
of them pigtails. Good advice from us. Uh. Then um Ben,
fifteen years old in England, one of our favorites. He
enjoyed the toothpaste making orange juice taste bad, and I

(13:29):
wrote Ben back as I am uh want to do
and he to ask for a high kup poem from
Ben from love as for hik I do. It's short
and it's a good way to get them involved and
engage our listeners. So he wrote back in January, snowfalls
on the frozen ground. I make a snowman. That sounds
like a T shirt to me. It's a good one.
And then Sarah s this is our favorite. Sarah S

(13:52):
a k a. The amazing eleven year old fan is
writing us on a weekly basis, if not daily now,
and Sarah is very awesome. She's eleven, and she wrote
out a haiku for us which actually rhymes and Sarah,
you should know that they don't have to rhyme. In fact,
him know she put in the extra effort, but she
did from knowing Sarah, she she knew that she just
wanted to follows it up even more right. So here's

(14:13):
sarah S's haikul. Many people run straight into the sun
for fun, but I am not one. And she says
she wrote that because she hates to run nice and
apparently isn't much of a fan of the Sun music. Right,
but we we love our young fans and we appreciate
them listening. Do we have any youth size your T shirts?
I don't think so. They could be sleep shirts. Okay,

(14:35):
there you go. So if you guys ever go to
a sleepover, you can be sporting your cool how Stuff
Works T shirt. Just that emails your addresses the three
of you. Thank you very much for writing in, and
if you want to write in and roll the dice
to see if you can get a T shirt, or
just tell Chuck and I that we made a mistake
or that you love us, whatever, just send an email
to Stuff Podcast at how stuff works dot com m HM.

(15:02):
For more on this in thousands of other topics, visit
how stuff Works dot com MHM. Brought to you by
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