It turns out the human body has a sort of junk drawer, too. We have a number of body parts that served an important purpose for our distant ancestors but are essentially useless now, yet continue to ...

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Scientists found that prolonged fasting triggers major changes throughout the body, but many of the most interesting effects only appeared after about three days without food. The results suggest ...

Many of the body's biggest flaws are the result of evolution building on old designs instead of starting over. Our spine, eyes, teeth, pelvis, and even certain nerves all reveal compromises that ...