The Ty Beal Show13 Jul 2025

The Hungry Brain: Why We Can't Stop Eating and What to Do About It | Stephan Guyenet, PhD

Ever wonder why it's so hard to resist that bag of chips or stop eating when you're full? In this inaugural episode of The Ty Beal Show, neuroscientist and author Dr. Stephan Guyenet reveals the fascinating science behind our eating behaviors and why our brains aren't built for today's food environment.

Dr. Guyenet, author of "The Hungry Brain," a Publishers Weekly Best Book of the Year, breaks down complex topics into clear, actionable insights. You'll discover why hunter-gatherers never struggled with obesity, how ultra-processed foods hijack our brain's reward systems, and why willpower alone isn't enough to overcome modern eating challenges.

What you'll learn:

The real reason obesity has skyrocketed over the past century
How leptin (the hormone you've never heard of) controls your appetite
Why diets fail and what brain science tells us about sustainable weight loss
The truth about GLP-1 drugs like Ozempic and their remarkable effects
How to navigate the confusing world of nutrition information

Plus, Stephan shares his work at GiveWell, where he helps direct millions of dollars to save lives in the world's poorest countries, and discusses the critical importance of international health aid.

Whether you're struggling with your own eating habits, curious about the latest weight loss breakthroughs, or simply want to understand the science behind nutrition headlines, this episode offers evidence-based insights without the hype.

Find Dr. Stephan Guyenet on X. Buy his book The Hungry Brain. View popular nutrition book reviews at Red Pen Reviews.

Connect with Ty on X, LinkedIn, Instagram, and YouTube. Read his publications on Google Scholar. Sign up for Ty's Newsletter.

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Episoder(38)

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14 Apr 48min

The Food Combo That Makes Us Overeat — And It's In Breast Milk | John Speakman, PhD

In this episode, Professor John Speakman—biologist at the University of Aberdeen and the Chinese Academy of Sciences, and one of the world's foremost experts on energy balance—joins the show to reveal...

7 Apr 1h 21min

Your Gut Microbiome Shapes Your Health More Than Your Genes | Tim Spector, MD

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31 Mar 1h 2min

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24 Mar 53min

The Foods That Protect Your Brain from Dementia | Max Lugavere

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17 Mar 1h 5min

Mitochondria, Bone Health, and Why Peak Performance Is the Real Longevity Strategy | Chris Masterjohn, PhD

In this episode, nutrition scientist Dr. Chris Masterjohn—one of the original voices behind the vitamins A, D, and K balance framework—joins the show for a wide-ranging conversation on bone health, mi...

10 Mar 55min

Why Nutrition Science Is Stuck — And How to Fix It | David Ludwig, MD, PhD

In this episode, Harvard professor and obesity researcher Dr. David Ludwig joins the show to discuss his new paper "Overcoming Impasse in Nutrition Science," published today in Cell Metabolism (https:...

3 Mar 1h 6min

Why Your Doctor Is Missing the #1 Heart Disease Risk Factor | Dr. Bret Scher

In this episode, preventive cardiologist Dr. Bret Scher—medical director of Metabolic Mind and the Coalition for Metabolic Health—joins the show for a wide-ranging conversation on why mainstream cardi...

24 Feb 42min