Understanding the teenager.
D000293:Adolescent; D003142:Communication; D003220:Conflict, Psychological; D005260:Female; D006184:Habits; D006801:Humans; D008297:Male; D010287:Parent-Child Relations; D010553:Personality Development; D000297:Psychology, Adolescent; D012725:Sexual Behavior; D012919:Social Behavior; D012925:Social Conformity; D019966:Substance-Related Disorders