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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.
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Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.
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There are 20 feet of blood vessels in each square inch of human skin.
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Illicit drug use costs the United States approximately $181 billion every year.