Exercise helps recovery after cancer treatment, but fatigue can make working out hard. Yoga can help reduce fatigue for breast cancer survivors, a study finds. It’s one of a growing number of efforts using randomized controlled trials to see if the ancient practice offers medical benefits. Women who took a yoga class three hours a week for three months reported less fatigue compared with a group of breast cancer survivors who did not do yoga. “Fatigue is a major and serious problem in survivors,” even years after treatments have ended, Janice Kiecolt-Glaser, a professor of psychology at Ohio State University and lead author of the study, told Shots. Continue.