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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
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Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.
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In 1864, the first barbiturate (barbituric acid) was synthesized.