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Sujeito
- Ask Gary12
- Habit breaking[remove]12
- Smoking3
- Marijuana2
- Teenagers -- Drug use2
- Teenagers -- Tobacco use2
- Alcoholism -- Treatment1
- Compulsive behavior1
- Drug abuse1
- Drug use1
- Drug withdrawal symptoms1
- Heroin1
- Marijuana -- Physiological effect1
- Parent and teenager1
- Peer pressure in adolescence1
- Physiological effect1
- Smoking -- Psychological aspects1
- Smoking cessation1
- Teenagers -- Counseling of1
- Tobacco habit1