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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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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Medication errors are three times higher among children and infants than with adults.
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The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.