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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Approximately 500,000 babies are born each year in the United States to teenage mothers.
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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.