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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.