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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.