Abstract
Complex of psychosocial phenomena in the behavioral area, which threatens the health and physical and mental development of adolescents and increases the likelihood of negative health and social consequences in adulthood. 1. Abuse of addictive substances (alcohol, nicotine, illegal drugs) 2.
Social maladaptation (aggression among peers, autoagressivity, suicide, truancy, delinquency, etc.) 3 Reproductive health problems (early start of sexual life, promiscuity, high incidence of sexually transmitted diseases and early and unwanted pregnancy)