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Did you know?
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Excessive alcohol use costs the country approximately $235 billion every year.
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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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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.