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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 first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Illicit drug use costs the United States approximately $181 billion every year.