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The horizontal fraction bar was introduced by the Arabs.
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The average adult has about 21 square feet of skin.
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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 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.
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Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.