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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.