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Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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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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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.