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Cancer treatment often leads to fatigue, loss of functional capacity, and weight gain. To assess the benefits of exercise during treatment for breast cancer, investigators randomized 203 women in treatment for early-stage breast cancer to receive either 45 minutes of supervised group exercise followed by a group discussion twice a week for 12 weeks or a brochure providing guidelines for exercise after cancer diagnosis. At 12 weeks and at 6 months, participants completed questionnaires to ascertain quality of life and measures of other physical and functional outcomes.
Compared with the control group at 12 weeks, the exercise group showed significantly greater improvement in some measures of physical and psychological function, including 12-m…