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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.