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People about to have surgery must tell their health care providers about all supplements they take.
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There are 20 feet of blood vessels in each square inch of human skin.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.
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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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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.