The Department of Physical Education and Sport Sciences focuses on the promotion of active and healthy lifestyle throughout the lifespan. The DPESS specializes in: a) the social-psychological study of substance use, exercise participation, and lifestyle change across the lifespan, and b) the design and application of health promotion and behavior change interventions. In relation to the proposed project, the principal investigator as staff member of the DPESS has successfully completed 6 projects funded by the World Anti-Doping Agency on the use of doping and nutritional supplements by adolescent and adult athletes, and participates as national coordinator in 2 ongoing multi-national projects on the risk and protective factors of doping use in adolescents and young adults. The DPESS maintain collaboration with national and regional public policy and education authorities for the prevention of doping and substance use in sports and other settings.