October 31: There is no sure-fire method for preventing breast cancer. There is not even a combination of methods that ensures a breast cancer-free life. But there are definite steps you can take to promote healthy living and to help combat the onset of this all-too-common disease. You can eat a well-balanced diet, exercise regularly, maintain a healthy weight, minimize alcohol consumption, refrain from smoking, perform self-breast exams, and report for all recommended mammograms and exams.