The Ty Beal Show
Are you overwhelmed by conflicting nutrition advice? Tired of trying to separate health facts from fleeting fads? I’m Ty Beal, PhD, a nutrition scientist exploring what we eat and how it truly impacts our wellbeing. On The Ty Beal Show, we cut through the noise. Each week, I’ll be talking with leading experts in nutrition, public health, and food systems—bringing you the latest science in simple, practical terms. We’ll explore why there’s no one perfect diet, how to nourish your body, and ways to help avoid chronic disease. Here’s the truth: Nutrition shouldn’t be confusing. Our goal is to empower you with knowledge that’s actually useful—so you can feel your best, without the hype. We focus on facts, not fear; understanding, not judgment; and a dose of common sense—and maybe even some humor—along the way. If you’re ready to take charge of your health with credible, science-backed insights, hit subscribe. Let’s learn and grow together. Connect with me on X, LinkedIn, Instagram, and YouTube. Read my publications on Google Scholar. Sign up for my Newsletter.
Episodes
In this episode, Frédéric Leroy, PhD, a professor of food science and biotechnology at the Free University of Brussels, joins the show to dismantle the polarized debate surrounding animal-source foods. We explore the nutritional risks associated with restrictive vegan diets, particularly for vulnerable groups like infants and women of reproductive age, while examining the evolutionary and biological rol...
What do we know about health, nutrition, and medicine — and how confident should we be? In this episode, Dr. Gordon Guyatt, the clinician-scientist who coined the term evidence-based medicine and co-created the GRADE framework, breaks down why so much health and nutrition guidance rests on weak foundations. We dig into the hierarchy of evidence, why observational studies so often mislead us, and what we...
Why do ultra-processed foods make us eat more — even when calories, sugar, fat, and protein are matched? In this episode, Dr. Kevin Hall, author of Food Intelligence and one of the most influential scientists in metabolism and obesity research, breaks down the mechanisms driving overeating — and shares brand-new findings from his latest NIH study.
We dig into energy density,...
What is the definition of an ultra-processed food (UPF), and where did the concept originate? Why is the Nova classification system both a groundbreaking public health tool and a source of intense debate? And how can we use this framework to build healthier food systems around the world?
In this episode of The Ty Beal Show, Dr. Carlos Monteiro, the Brazilian epidemiologist w...
What are ultra-processed foods (UPFs), and why is the concept so controversial? How does a diet high in these foods affect our bodies, brains, and hormones? And how can we build effective policies to improve public health without shaming individuals or fueling disordered eating?
In this episode of The Ty Beal Show, Chris van Tulleken, MD, PhD, a professor at University Colle...
How do we turn cutting-edge nutrition research into policies that improve people's lives? In this episode of The Ty Beal Show, Purnima Menon, PhD, Senior Director of Food and Nutrition Policy at IFPRI, shares her journey from reading recipe books as a child to becoming a world leader in advancing global nutrition at the intersection of science and policy.
Purnima explains wh...
How much protein do we really need? And is resistance training more important than we thought? In this episode of The Ty Beal Show, Stuart Phillips, PhD, renowned expert in muscle health and aging at McMaster University, breaks down the science of muscle preservation across the lifespan.
Stuart shares his evolving perspective on protein's role in building and maintaining mus...
Can grazing livestock help restore soils, support biodiversity, and even mitigate climate change? In this episode of The Ty Beal Show, rangeland ecologist at Colorado State University, Dr. Paige Stanley, shares her research on regenerative grazing systems and their potential to benefit both landscapes and livelihoods.
Paige explains how well-managed grazing influences soil c...
What exactly is obsessive-compulsive disorder (OCD)—and how can evidence-based therapies help people reclaim their lives? In this episode of The Ty Beal Show, Dr. Sara Brungardt, licensed professional counselor and founder of CalmOCD, shares her expertise on diagnosing and treating OCD with proven methods like Exposure and Response Prevention (ERP) and Acceptance and Commitment Therapy (ACT).
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Why do so many U.S. nutrition and health policies seem to favor ultra-processed foods over real, nutrient-dense foods—and what can be done about it? In this episode of The Ty Beal Show, Calley Means—New York Times #1 best-selling author, co-founder of Truemed, and Senior Advisor to the White House on MAHA—unpacks the structural incentives driving chronic disease in America.
...
Heart disease is still the top killer globally—but prevention and innovation are reshaping how we think about risk. In this episode of The Ty Beal Show, cardiologist Dr. Ethan Weiss—Chief Scientific Officer at Marea Therapeutics and long-time UCSF faculty expert—walks us through the intersection of genetics, metabolism, and cardiovascular health.
Dr. Weiss explains the conce...
What are the hidden compounds in our food, and how do farming practices shape their presence? In this episode of The Ty Beal Show, Stephan van Vliet, PhD, Professor of Nutrition at Utah State University, discusses his pioneering work in metabolomics and the concept of "nutritional dark matter"—the thousands of understudied compounds in food that may impact health.
Dr. van Vl...
What does it take to foster a healthy relationship with food for children and adolescents? In this episode of The Ty Beal Show, registered dietitian and certified eating disorder specialist Taylor Aasand explores the complexities of eating disorders like ARFID, anorexia nervosa, and bulimia nervosa. Drawing from her practice in Phoenix-Scottsdale, she shares evidence-based strategies for prevention, tre...
What does it take to eat for the health of humans and the planet? In this episode of The Ty Beal Show, Dr. Walter Willett, the world’s most cited nutritionist, gives a sneak peek at the upcoming 2025 EAT-Lancet Commission and provides his take on ultra-processed foods and seed oils.
From his family farm in Michigan to leading Harvard's Department of Nutrition for 25 years, D...
What does the science say about plant-based diets, longevity, and cardiovascular health? In this episode of The Ty Beal Show, Dr. Gil Carvalho, research scientist and host of Nutrition Made Simple with over a million monthly viewers, cuts through the noise to reveal what the evidence shows.
Dr. Carvalho challenges common assumptions about plant-based eating, explaining why t...
Can what you eat actually treat depression? In this episode of The Ty Beal Show, Dr. Ally Jaffee, MD, a psychiatry resident doctor and co-founder of NutriTank, reveals the science behind nutritional psychiatry and why your gut health might be the key to mental wellness.
Dr. Jaffee, winner of the 2024 Cura Mental Health Advocate of the Year Award, shares her deeply personal j...
Why do so many conventional treatments fail to solve chronic health problems? In this episode of The Ty Beal Show, Chris Kresser, MS, LAc, former functional medicine practitioner and New York Times bestselling author, reveals how a systems-based approach uncovers and addresses the true drivers of disease—leading to lasting results instead of temporary symptom relief.
Drawing...
Think ultra-processed foods are bad just because they're high in calories? It's not that simple. In this episode of The Ty Beal Show, nutritional biologist and food scientist Marit Kolby, MS, reveals the shocking mechanisms behind why your body treats a 200-calorie apple completely differently than 200 calories from an ultra-processed snack - and it goes far beyond overconsumption.
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Why do billions of people suffer from malnutrition in a world that produces enough food to feed everyone? In this episode of The Ty Beal Show, Dr. Lawrence Haddad, World Food Prize winner and executive director of the Global Alliance for Improved Nutrition (GAIN), reveals the shocking truth about global malnutrition and what it would actually take to end it.
Dr. Haddad, who ...
How do animals impact our environment, and what role should they play in sustainable food systems? In this episode of The Ty Beal Show, Dr. Anne Mottet, agro-economist and global lead for livestock at the International Fund for Agricultural Development (IFAD), explores the complex relationships between livestock and climate change, land use, biodiversity, and water resources.
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