OK, take your choice: Have breast cancer, go through treatment, and spend the rest of your life wondering if it’s going to come back. Or never have breast cancer.

Simple, right? Although ultimately the experience of breast cancer can be both positive and enlightening, I think the vast majority of us survivors would prefer not to have ever had breast cancer. It wrecks a significant piece of your body. It can wreak havoc with your entire system. It can leave you with long-lasting side effects....