so many positive side effects exercise can prevent us from getting cancer can you give us some numbers if you do sports then you reduce your risk significantly so everybody should be doing sports to have a decreased risk of cancer this can even mean that maybe at one point you develop cancer but very much later in your life. and how does exercise do this on a cellular level on the cellular level exercise has positive effects in all of your body so for example it catches up your free radicals or it changes your genes and. it changes your metabolic and then it reduces your cancer risk and those effects the same in all kinds of tunes unfortunately not but the good messages there are some cancers sports really helps to prevent like colon cancer prostate cancer breast cancer. and what kind of exercise is best. you should choose the exercise