What happens over time to people who have problems with mind-acting substances? Two studies that stay with that question.
Edwards
Griffith
G
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
D003932:Heroin