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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.