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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.