Do any diets actually work?
Sep 22, 2026 · 17m
Summary
Harvard evolutionary anthropologist Daniel Lieberman discusses his new book, *Fed Up*, which evaluates popular diets like paleo, low-carb, and intermittent fasting through an evolutionary lens. He debunks myths surrounding saturated fat and the "magic bullet" approach to health, arguing that while specific foods like legumes are safe, the Mediterranean diet offers the strongest evidence for longevity and disease prevention. Lieberman advocates for a "fox" mindset of dietary moderation and variety over the "hedgehog" strategy of strict elimination, emphasizing that no single diet perfectly o…
Topics discussed
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Lead Human Podcast Promo
Introduction: The Confusion of Modern Diets
Guest Intro: Prof. Daniel Lieberman and his book 'Fed Up'
Debunking the Paleo Diet: Grains and Legumes
Hunter-Gatherer Diets and the Myth of Anti-Nutrients
Why Paleo is Popular: The Naturalistic Fallacy
Saturated Fat: History, Genetics, and the Olive Oil Wager
The Low-Fat Movement and Rise of Ultra-Processed Foods
Practical Advice: Unsaturated Fats and Dairy
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Intermittent Fasting: Metabolic Switching and Benefits
Calorie Restriction and Longevity: The Macaque Studies
The Mediterranean Diet: The Most Evidence-Based Approach
Fox vs. Hedgehog: Complexity vs. Magic Bullet Diets
Conclusion and Book Recommendation
Credits and Outro
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Sponsor: Washington Wise by Charles Schwab
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