title: Adolescent medicine.
abstract: In a survey of children and adolescents, one fourth of respondents reported having experienced an assault or abuse in the previous year. Violence is not restricted to inner cities. Marijuana use among eighth graders has more than doubled since 1991.
authors.affiliation: Johns Hopkins University School of Medicine, Baltimore, Md, USA.
authors.forename: M D
authors.initials: MD
authors.lastname: Wilson
authors.forename: A
authors.initials: A
authors.lastname: Joffe
mesh_terms: D000293:Adolescent; D000294:Adolescent Behavior; D000295:Adolescent Medicine / Q000639:trends*; D005260:Female; D006801:Humans; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D011634:Public Health; D014481:United States