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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
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