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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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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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No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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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.