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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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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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In 1864, the first barbiturate (barbituric acid) was synthesized.