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skos:definition |
MSH: A narcotic analgesic that may be habit-forming. It is a controlled substance (opium derivative) listed in the U.S. Code of Federal Regulations, Title 21 Parts 329.1, 1308.11 (1987). Sale is forbidden in the United States by Federal statute. (Merck Index, 11th ed),CSP: narcotic analgesic drug prepared from morphine, now prohibited in the United States even for medicinal uses because of the danger of addiction.,MEDLINEPLUS: <p>Heroin is a drug made from morphine, a natural substance in the seedpod of the Asian poppy plant. Heroin usually appears as a white or brown powder. Heroin can be injected, smoked or snorted. Heroin abuse is a serious problem in the United States. Major health problems from heroin include miscarriages, heart infections and death from overdose. People who inject the drug also risk infectious diseases, including HIV/AIDS and hepatitis. </p><p>Regular use of heroin can lead to tolerance. This means users need more and more drug to have the same effect. At higher doses over time, the bod
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