The Benefits and Drawbacks of Eating Like a Caveman

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America is a land of fad diets. From the cabbage soup diet to the hot dog diet to the grapefruit diet, there are no shortage of paperback-sanctioned ways to limit what we eat for the sake of weight loss and health.

Among the most popular diets in recent years has been the Paleolithic diet, also known as the caveman diet. Based on the premise that we’ll be healthier if we eat as our ancient ancestors did, it seems to have science on its side.

But Marlene Zuk, evolutionary biologist at the University of Minnesota, says the science of the popular diet is wrong. And that the relationship between food and human evolution is more complicated than the diet would have us believe.

Zuk is the author of the new book “Paleofantasy: What Evolution Really Tells Us About Sex, Diet, and How We Live.”