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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
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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Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.


