Although we know that exercise improves anxiety and mood problems in younger people with cancer, few studies have looked at the effects of exercise on older adults with cancer. Since most new cancer cases occur in adults aged 60 or older, a team of researchers from the University of Rochester Medical Center and other institutions designed a study to learn more.
source https://www.lifetechnology.com/blogs/life-technology-news-blog/exercise-improves-anxiety-and-mood-in-older-adults-undergoing-chemotherapy