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In 1864, the first barbiturate (barbituric acid) was synthesized.
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People about to have surgery must tell their health care providers about all supplements they take.
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Your heart beats over 36 million times a year.
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Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
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The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.