[ABSTRACT] Violence is not a health problem in Cuba, nevertheless there are manifestations which must be taken in account in order to avoid it. The purpose of this paper was to explore risk factors that might facilitate aggressive and violent behaviours in a group of adolescents between 14 and 17 years old.An anonymous survey was applied in two groups of 30 adolescents who studied the 9th grade. All of them had normal intelligence and similar socio demographic conditions. One of the groups (