Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
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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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According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.
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There are 20 feet of blood vessels in each square inch of human skin.
True-color image of layers of haze in Titan's atmosphere.