We evolved to eat berries rather than bagels, to live in mud huts rather than condos, to sprint barefoot rather than play football--or did we? Are our bodies and brains truly at odds with modern life? Although it may seem as though we have barely had time to shed our hunter-gatherer legacy, biologist Marlene Zuk reveals that the story is not so simple. Popular theories about how our ancestors lived--and why we should emulate them--are often based on speculation, not scientific evidence.

Armed with a razor-sharp wit and brilliant, eye-opening research, Zuk takes us to the cutting edge of...