Tobacco, alcohol, medicines and illegal drug taking.
D000293:Adolescent; D000437:Alcoholism / Q000150:complications / Q000453:epidemiology*; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D010290:Parents; D012907:Smoking / Q000150:complications / Q000453:epidemiology*; D019966:Substance-Related Disorders / Q000150:complications / Q000453:epidemiology* / Q000209:etiology; D011795:Surveys and Questionnaires