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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.