Substance Abuse Treatment and Outcomes

Substance use disorders—including alcohol dependence and illicit drug use—affect hundreds of millions of people worldwide and rank among the leading contributors to the global burden of disease, cutting across age groups from adolescents experimenting with substances to adults managing long-term dependence. Epidemiologists working in this space map who is affected and why, tracing how factors like impulsivity, psychiatric comorbidities, and social environments shape both the onset and persistence of problematic use. Behavioral interventions such as motivational interviewing have shown real promise in reducing harm, yet researchers are still working to understand why these approaches work for some people and not others, and how to reach high-risk populations—including college students and adolescents—before dependence takes hold. Open questions center on disentangling causation from correlation in the relationship between mental illness and substance use, and on scaling effective treatments across health systems that remain poorly equipped to handle the disorder's full complexity.

Works

120,608

Total citations

2,261,514

Keywords

Substance Use DisordersAlcohol DependenceMotivational InterviewingGlobal Burden of DiseaseAdolescent Drug UsePsychiatric Disorders