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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
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Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.