title: Health problems of adolescents.
mesh_terms: D000293:Adolescent; D000295:Adolescent Medicine; D003267:Contraception; D005260:Female; D006801:Humans; D008297:Male; D009017:Morbidity; D000297:Psychology, Adolescent; D011627:Puberty; D012725:Sexual Behavior; D012741:Sexual Maturation