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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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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The horizontal fraction bar was introduced by the Arabs.