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Up to: Substance dependence
Drug dependence
Drug dependence - replaced the term "drug addiction" and is defined as a state, psychic and sometimes also physical, resulting from the interaction between a living organism and a drug, characterized by behavioral and other responses that always include a compulsion to take the drug on a continuous or periodic basis in order to experience its psychic effects, and sometimes to avoid the discomfort of its absence. Tolerance may or may not be present. A person may be dependent on more than one drug.
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Opiate dependence 545 trials Sub-types →
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Nicotine dependence 412 trials
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Cannabis dependence 218 trials
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Methamphetamine dependence 63 trials
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Cocaine dependence 51 trials
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Alcohol dependence 44 trials
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Hallucinogen dependence 1 trial
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Alcohol and nicotine codependence 0 trials
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Barbiturate dependence 0 trials
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Phencyclidine abuse 0 trials