title: What happens over time to people who have problems with mind-acting substances? Two studies that stay with that question.
authors.forename: Griffith
authors.initials: G
authors.lastname: Edwards
mesh_terms: D000428:Alcohol Drinking / Q000009:adverse effects / Q000523:psychology; D005500:Follow-Up Studies; D003932:Heroin / Q000009:adverse effects; D006801:Humans; D019966:Substance-Related Disorders / Q000523:psychology*; D013997:Time Factors
chemical_list: D003932:Heroin