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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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Everyone has one nostril that is larger than the other.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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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.