It is common for breast cancer to be caused by genetics. What may surprise you is that scientist believe excess weight accelerates the growth of hereditary cancer and may be the catalyst that causes non-hereditary cancer. Therefore, most women’s health doctors recommend weight loss for women over 40 as major component of preventative care. Typically, doctors and fitness experts recommend a weight loss program that focuses on well rounded exercise and good nutrition. If you are concerned about your risks of breast cancer, ask your doctor to help you create a fitness program to help you achieve total body health.