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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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In 1864, the first barbiturate (barbituric acid) was synthesized.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.
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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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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.