There has been much reported about the pros and cons of mammography. It is a safe, effective tool that can be used with other effective imaging tools. We honestly don't know. A cure could be just around the corner or even decades away. The recent discovery of the BRCA1 gene, which indicates a familial predisposition to breast cancer came as a result of 30 years of research.
Breast cancer is very complicated and affects different people in different ways.
Its origins seem unique to its victims. We do know that research is the only way to understand the disease and ultimately defeat it.