Chelsea Goodenough, HBScBreast cancer is the most common type of cancer that kills women world-wide [1]. Emerging out from under the emotional and financial burden of this disease is the united front of patients, families and researchers alike seeking to understand the complexity of this disease. With exercise's noted benefit to a 30-40% reduction in breast cancer risk, investigation into mechanisms that may be attributing to these findings have unveiled a frontrunner - microRNA. MicroRNA ar...