The margin between success and failure in elite sport can be miniscule. The investment into sporting success can be millions of pounds for a handful of medals. While some athletes and coaches look to marginal gains for success, others adopt a more straightforward approach: doping. There have been many attempts to avoid a positive test in doping control; what method would you adopt? Come along and join in the debate with Dr Derek Ball (The University of Aberdeen) on success and failure at doping in sport.