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There are 20 feet of blood vessels in each square inch of human skin.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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Your heart beats over 36 million times a year.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.