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Subject
- Teenagers7
- Health education5
- Substance abuse--Prevention5
- Youth--Substance use--Prevention4
- Academic achievement3
- Child development3
- Public health3
- Smoking3
- Social sciences--Research3
- Teenagers--Mental health3
- Teenagers--Substance use3
- Cohort analysis2
- Depression, Mental2
- Epidemiology2
- Geophysics2
- Mathematics--Study and teaching2
- Paleoclimatology2
- Pregnant women--Tobacco use2
- Prenatal influences2
- Anxiety1