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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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Vaccines prevent between 2.5 and 4 million deaths every year.