[Impulsivity and gender in adolescents who use psychoactive substances of higher prevalence (alcohol, tobacco and cannabis)].

The purpose of the study was to describe the relationship between substance use and impulsivity according to gender as a moderating variable in a sample of Argentine students. Three hundred ninety students were evaluated using a sociodemographic and clinical ad hoc questionnaire; the ASSIST test and the Barratt scale were used to detect substance use and impulsiveness levels respectively. Equal percentages of men and women use alcohol and tobacco; a greater proportion of men use cannabis.