Placebo effects have been recognised by medicine and by science, yet only recently has systematic research begun to fully understand what they are and how they work. Sport and exercise scientists started systematic research to better understand the potential performance-enhancing effects of placebos as well as how a range of treatments are used in sport, from nutritional supplements to psychological interventions to sports medicine treatments. Placebo Effects in Sport and Exercise synthesises this field of research of the influence placebo effects have in sport and exercise. This book brings together many of the world’s leading and emerging placebo effect researchers to help readers gain an understanding of core research findings from within sports and exercise science as well as sport and exercise-related contributions from experts in anthropology, medicine, and neuroscience. Readers will gain an insight of what placebo and nocebo effects are, how they might influence sport and exercise performance and outcomes, and how they might significantly influence the effectiveness of performance and health interventions. The book investigates various practical and ethical implications for the sport and exercise practitioner, student, and researcher to consider. Can a placebo work if the athlete knows it’s a placebo? Should practitioners use placebos to enhance performance? Can the use of placebos reduce doping? Are some sports medicine treatments little more than placebos? With the rapid growth of applied sports medicine, as well as the concept of exercise as a mental health treatment in its own right, Placebo Effects in Sport and Exercise is key reading for students and researchers of sport psychology as well as those out in the field.