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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.