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"Evolving to Eat Mush": How Meat Changed Our Bodies
Meat-eating has impacted the evolution of the human body, scientists reported today at the American Association for the Advancement of Science's annual meeting in Washington, D.C.
Our fondness for a juicy steak triggered a number of adaptations over countless generations. For instance, our jaws have gotten smaller, and we have an improved ability to process cholesterol and fat.
Our taste for meat has also led us into some trouble—our teeth are too big for our downsized jaws and most of us need dental work.
"It's really amazing what we know now that we didn't know 15 or 20 years ago," said Mark Teaford, a professor at Baltimore's Johns Hopkins University. Teaford helped organize a panel discussion on human diet from a number of perspectives:
Carnivorous humans go back a long way. Stone tools for butchering meat, and animal bones with corresponding cut marks on them, first appear
