Studying the Natural History of Drug Use

3 Studying the Natural History of Drug Use Yih-Ing Hser, Douglas Longshore, Mary-Lynn Brecht and M. Douglas Anglin 1. Introduction 30 2. Conceptual Framework 31 3. Drug Use Progression 31 3.1. Drug Use Initiation and Progression 32 3.2. Persistent Use 33 3.3. Consequences of Use 34 3.4. Cessation and Recovery 35 3.4.1. Cessation and Recovery in Treated Populations 36 3.4.2. Cessation and Recovery in Untreated Populations 36 3.4.3. Factors Inﬂuencing Recovery 37 4. Special Populations 37 4.1. Gender Differences 37 4.2. Racial/Ethnic Differences 38 5. Concluding Comments 39 References 39 YIH-ING HSER, DOUGLAS LONGSHORE, MARY-LYNN BRECHT AND M. DOUGLAS ANGLIN • UCLA Integrated Substance Abuse Programs, Neuropsychiatric Institute, University of California, Los Angeles 29

Studying the Natural History of Drug Use

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