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Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Your heart beats over 36 million times a year.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.