#54: A Harvard Professor Tested Popular Diets on Himself | Dan Lieberman

Two Percent with Michael Easter · Oct 13, 2026 · 1h 8m

Michael speaks with Harvard evolutionary biologist Dan Lieberman, author of Fed Up. They talked about how humans didn't evolve to think about what to eat, the history of food and humans, what Dan learned trying popular diets for the book, biggest diet myths, and where Dan lands on exercise and weight loss. They covered:

(00:00) Cold open

(01:15) Humans never evolved to choose food

(09:59) What the paleo diet gets wrong

(14:32) Why we overeat

(24:22) The hardest diet Dan tried

(26:47) The case against the carnivore diet

(33:40) How diets become like a religion

(38:18) The protein craze: facts…