Key Takeaway:  Research shows that strength training, a type of exercise that can build muscle mass, can improve health in cancer patients. Strength training is a type of exercise in which one uses resistance to force the muscles to contract to build strength. Resistance for strengthening can come from a person’s own body weight or from gym equipment. We spoke to Nancy Campbell, MS, an exercise physiologist at Dana-Farber’s Leonard P. Zakim Center for Integrative Therapies, who offers exercise consults to cancer patients and survivors. Campbell: Yes. The American College of Sports Medicine offers a cancer-specific certification for trainers, though the amount of certified trainers in the state is minimal at the moment. ACSM has recently revamped their guidelines on exercise and offers a list of resources for cancer patients. Another great resource for training is Livestrong at the YMCA. Livestrong offers a training program for cancer patients and survivors, which takes place at YMCAs across the country. The trainers are knowledgeable on various cancers and exercises that will be most beneficial for different patients. Courses run twice a week for 12 weeks at no cost. At Dana-Fa...