On Sunday, March 15 at mandatory training for trainers ADAS held a lecture on the prevention of doping in sport. Education was held for 30 coachers from Šumadija district who work with junior and seniors in the men’s and women’s handball. The theme was very interested for participants and provoked active discussion about the prevalence of doping in handball, as well as other sports. This lecture series is set in the framework of the anti-doping struggle which was agreed between ADAS and Handball Association of Serbia, bearing in mind that the handball is at the top by the number of positive doping athletes.