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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.
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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.
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The FDA recognizes 118 routes of administration.
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There are more nerve cells in one human brain than there are stars in the Milky Way.