The American College of Sports Medicine (ACSM), founded in 1954, is the world's largest sports medicine and exercise science organization with more than 45,000 national, regional, and international members and certified professionals in more than 90 countries. With professionals representing more than 70 occupations, ACSM offers a 360-degree view of sports medicine and exercise science. From academicians to students and from personal trainers to physicians, the association of sports medicine, exercise science, and health and fitness professionals is dedicated to helping people worldwide live longer, healthier lives through science, education, medicine, and policy. About the Editor Melinda L. Irwin, PhD, MPH, is an associate professor in the Yale School of Public Health and codirector of the cancer prevention and control research program at Yale Cancer Center. Dr. Irwin's research focuses on how exercise and weight influence cancer risk and survivorship. Dr. Irwin is the principal investigator of a number of research studies at Yale University and collaborates on various national projects and initiatives focused on exercise and cancer survivorship. She has received funding from the National Cancer Institute, American Cancer Society, Komen for the Cure, Lance Armstrong Foundation, and American Institute for Cancer Research and has published her research findings in top medical journals. Dr. Irwin also serves on various national advisory committees to develop consensus statements on physical activity, diet, weight control, and cancer prevention and control.
