A common side effect of breast cancer treatments in women is loss of muscle mass. Research is under way at the University of Queensland, which suggests that consuming fish oils helps decrease muscle loss amongst breast cancer patients.
Loss of lean muscle mass can lead to weight issues and development of obesity, which could, in turn, lead to obesity-related conditions such as diabetes and cardiovascular disease.
Exercise is the best way to maintain muscle mass, but of course it is difficult for those experiencing fatigue from traditional cancer treatments; consuming fish oils can be part of a muscle building routine to help patients maintain their lean muscle mass.
Here is a previous Proactive article about fish oil.