What Evolution Really Tells Us about Sex, Diet, and How We Live by Marlene Zuk

By Erin Wayman, 10:09 AM May 3, 2013

Proponents of the paleo diet believe the mismatch between today’s Western lifestyle and that of early humans is making us fat and sick. Our bodies haven’t had time to adapt to our new ways of life, the thinking goes, so eating like our ancestors is the ticket to good health.

This notion that our lives are out of sync with the way humans were meant to be is a fallacy, or a “paleofantasy,” claims Zuk, an evolutionary biologist. With piles of evidence from recent genetic and anthropological resea...

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