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Subject
- Drug abuse[remove]47
- Epidemiology31
- Drug abuse--Epidemiology30
- Medication abuse11
- Substance abuse10
- Opioid abuse9
- Substance abuse--Epidemiology9
- Marijuana7
- Opioids7
- Heroin6
- Heroin abuse6
- Youth--Drug use6
- Cannabis5
- Drinking of alcoholic beverages5
- Teenagers--Drug use4
- HIV-positive persons3
- Mental health3
- Psychotropic drugs3
- Public health3
- Tobacco use3