Athletes are always aiming to be faster, better, stronger. New techniques to enhance their sporting performance have increasingly been linked to use of novel psychoactive substances (NPS) and other hard-to-detect substances like performance-enhancing drugs. This book offers a timely analysis of the new challenges posed by this phenomenon in the anti-doping community.The authors present the first comprehensive perspective on the rapidly shifting doping scenario and reflect on use, regulation, policy, and market structure of NPS used in sports. They highlight the challenges with the list of...