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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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There are more nerve cells in one human brain than there are stars in the Milky Way.
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After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.
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The horizontal fraction bar was introduced by the Arabs.
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Illicit drug use costs the United States approximately $181 billion every year.