Young people and alcohol, drugs and tobacco.
D000293:Adolescent; D000328:Adult; D000428:Alcohol Drinking / Q000453:epidemiology / Q000517:prevention & control*; D002648:Child; D019058:Community Networks; D005060:Europe / Q000453:epidemiology; D005260:Female; D006801:Humans; D008297:Male; D015995:Prevalence; D012307:Risk Factors; D012572:School Health Services; D012907:Smoking / Q000453:epidemiology; D000074606:Smoking Prevention; D019966:Substance-Related Disorders / Q000453:epidemiology / Q000517:prevention & control*