The cult of performance or the consumption of recreational substances can induce risky behaviors. What are they? What are the rights and duties of athletes in doping? What recommendations should they give? What to do in case of therapeutic treatment? What is at stake for the prevention of doping in mass sports? Round table organized by the French anti-doping agency, AFLD, with the support of former sports minister, Valérie Fourneyron, member of the World Anti-Doping Agency (WADA).