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Drug Dependence Learning Center
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Drug addiction, or dependence, is the compulsive use of a substance, despite its negative or dangerous effects. However, a physical dependence on a substance (needing the drug to function) is not always part of the definition of addiction. Some dr...
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Disease concept of chemical dependency is the concept that a disorder (such as chemical dependency) is like a disease and has a characteristic set of signs, symptoms, and natural history (clinical course, or outcome).
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