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There are 20 feet of blood vessels in each square inch of human skin.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.
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Medication errors are more common among seriously ill patients than with those with minor conditions.
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Everyone has one nostril that is larger than the other.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.