Andy Smith is Professor of Sport and Physical Activity and Associate Head of the Department of Sport and Physical Activity at Edge Hill university, where he is also Director of the Social Science of Sport Research Group. He is Co-Editor of the International Journal of Sport Policy and Politics.Ivan Waddington is a Visiting Professor at the Norwegian School of Sport Sciences, Oslo, and the University of Chester. He is a recognised expert on drug use in sport and is the author of Sport, Health and Drugs and co-author of An Introduction to Drugs in Sport (with Andy Smith).