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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.