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The longest a person has survived after a heart transplant is 24 years.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).