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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.
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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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The average office desk has 400 times more bacteria on it than a toilet.