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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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People about to have surgery must tell their health care providers about all supplements they take.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
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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 term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.