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The familiar sounds of your heart are made by the heart's valves as they open and close.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.