Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.
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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.
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There are approximately 3 million unintended pregnancies in the United States each year.
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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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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
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X-linked recessive inheritance of red-green color blindness in a family