Originally published in the Summer 2019 issue of American Fitness Magazine. Cancer is serious business. It is second only to heart disease as Americans’ leading cause of death, and more than 1.7 million new cases of cancer are expected to be diagnosed this year. Of those new cases, many will be invasive breast cancer (an estimated 268,600 in women and 2,670 in men), with nearly another 63,000 “in situ” (early stage) breast cancers in women (ACS 2019). As we near…