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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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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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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.