Rising sex, drugs and violence hurt U.S. teens' health.
D000293:Adolescent; D002650:Child Abuse, Sexual / Q000706:statistics & numerical data; D006801:Humans; D019966:Substance-Related Disorders / Q000453:epidemiology; D014481:United States / Q000453:epidemiology; D014754:Violence / Q000706:statistics & numerical data*