Adolescent problems and mental health.
D000293:Adolescent; D005260:Female; D006128:Growth; D006801:Humans; D007360:Intelligence; D007858:Learning; D008297:Male; D008598:Menstruation; D008603:Mental Health; D009042:Motivation; D009765:Obesity; D000297:Psychology, Adolescent; D012723:Sex; D012922:Social Change