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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.