SpaceGhost writes: "Anthropologist Richard Wrangham, author of "Catching Fire: How Cooking Made Us Human" suggests that the discovery of cooked food led to evolutionary changes resulting in a smaller and different digestive system based on a higher quality diet, mainly relying on cooked meat. In an interview on NPR's Science Friday (text and audio) Professor Wrangham explores concepts such as the digestive costs of food, the benefits (or lack thereof) of raw diets, and a distinct preference in Great Apes for cooked food over raw."
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