Introduction: Media have influence on the behavior of adolescents, and their messages can be enhancers or harmful to their health. Objectives: To determine the association of perceived media influence on healthy eating and belonging to Promoting Schools for Sustainable Development in adolescents. Desing: Descriptive, transversal and cross-association study. Location: Educational Institutions in Puente Piedra district. Participants: Male and female adolescents. Interventions: Three hundred and thirty adolescents chosen for convenience were divided equally whether they belonged or not to the program. Each adolescent answered a questionnaire about how they perceived media influence on healthy nutrition. Chi square was used to associate levels and Man-Whitney to compare scores between both groups. We used Excel 2003 and SPSS software 13.0. Main outcome measures: Scores for perceived media in...