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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.