Youth: drugs, sex and life.
D000293:Adolescent; D000437:Alcoholism / Q000453:epidemiology*; D001290:Attitude; D002110:Caffeine; D002188:Cannabis; D005260:Female; D003932:Heroin; D006716:Homosexuality; D006801:Humans; D008238:Lysergic Acid Diethylamide; D008297:Male; D009538:Nicotine; D012723:Sex; D012736:Sex Education; D012725:Sexual Behavior; D019966:Substance-Related Disorders
D002110:Caffeine; D009538:Nicotine; D003932:Heroin; D008238:Lysergic Acid Diethylamide