[Characteristics of the adolescent in Spain].

The number, sex and geographic distribution of the Spanish adolescents is reported. The mortality and mortality and their origins, specially for the behavioral remarking, the suicides and suicide attempts. The facts acting as producers. The incidence of diseases that traditionally produced death at an early age: cystic fibrosis, anorexia, nervosa, reporting also the own experience. The frequency in our country over pregnancy and its origin at this age, and the possible consequences in the newborn. The sexual transmission diseases and its relationship with the pelvic disease. Incidence of sexual intercourse, AIDS and substance abuse in Spanish adolescents supported in own statistics studies and literature. In the final conclusions is treated whose is the responsibility of all these adolescents cares and the history of these aspects in our society. In abstract it can be said that the adolescent is "that abandoned unknown".