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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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Approximately 25% of all reported medication errors result from some kind of name confusion.