Daniel E. Lieberman: Why Do We Even Exercise?

On today's episode, Andrew talks to Daniel E. Lieberman about his new book, Exercised: Why Something We Never Evolved to Do Is Healthy and Rewarding.

Daniel E. Lieberman is Edwin M. Lerner Professor of Biological Sciences and professor of human evolutionary biology at Harvard University. He is the author of the national best seller The Story of the Human Body: Evolution, Health, and Disease. He lives in Cambridge, Massachusetts.