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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.
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The longest a person has survived after a heart transplant is 24 years.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.