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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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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.