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There are more nerve cells in one human brain than there are stars in the Milky Way.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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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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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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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.