Fresh Air

What evolution reveals about eating, dieting and fat

August 17, 2026·45 min·6-min readnarrativetrue crime
Podzilla Summary (6 min)
TLDR
This episode of Fresh Air explores the evolutionary roots of modern diet struggles, unpacking why weight loss is so difficult and how popular diets like paleo and Atkins misrepresent human history. Harvard professor Daniel Lieberman argues that our bodies evolved to conserve fat, making

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Guest

D

Daniel Lieberman

narrative on Fresh Air

Mentions

Books, people, and resources mentioned in this episode.

People

Daniel LiebermanTerry GrossMaureen CorriganSaul Newman

Books

Fed Upby Daniel LiebermanAetnaby Paul Yoon

Research & Papers

Carbohydrate Insulin Model Paper

Topics

BooksEvolutionFitnessMental HealthNonfictionNutrition

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