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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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 word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.
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Blood is approximately twice as thick as water because of the cells and other components found in it.