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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").