By Dr. Mercola Breast cancer is probably one of the most feared diagnosis a woman can get. The mere mention of it conjures up images of death, despair, or at best, disfigurement. According to breastcancer.org, one in eight women will develop invasive breast cancer in her lifetime, and nearly 40,000 women lose their lives to the disease each year. With such odds stacked against you, what, if anything, can you do to prevent becoming a statistic? In truth, there are many measures you can take—each of which will help decrease your risk. It's important to realize that less than 10 percent of all breast cancer cases are thought to be related to genetic risk factors. The remainder— 90 percent—appear to be triggered by environmental factors. I strongly believe that cancer is preventable through appropriate lifestyle changes, such as cleaning up your diet, optimizing your vitamin D levels, exercising, and avoiding toxins from every source you can. This means taking ...