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Find out how much you know about the aging process.
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Here's a tough one: When is an unborn baby most at risk of developing abnormalities?
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What happens to that cheeseburger and fries (or, we hope, that whole wheat bread
and green salad) you had for lunch? During the digestive process, food is converted into
energy that's used by your body. Take this quiz to see how much you know about how digestion works.
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There is an epidemic of obesity in this country, health experts say. But what is obesity? How is it measured? Find out the answers to these questions and others by taking this quiz, based on information from the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
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What's the most sensitive part of your body? Are women less sensitve to pain than men? Does everyone feel pain? Get answers to these questions and more by taking the pain quiz.
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