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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.