title: Understanding teenagers.
mesh_terms: D000293:Adolescent; D001290:Attitude; D002652:Child Behavior; D002657:Child Development; D003142:Communication; D005260:Female; D006128:Growth; D006801:Humans; D008297:Male; D010287:Parent-Child Relations; D010553:Personality Development; D012574:Schools; D012922:Social Change