The exact cause of breast cancer is unknown but it is associated with the following; Genetic predisposition; breast cancer has age responsible for it’s development Age; the older one becomes the more likely she/he is to develop breast cancer. Child bearing; women who have their first pregnancy beyond 40 years of age are at an increased risk of developing breast cancer Not breast feeding; women who do not breast feed their children increase their risk of developing breast cancer. Diet rich in fat. Obesity and Lack of exercise. It is important to note that there are individual who develop breast cancer and it is hard to identify any risk factor to blame. This means that we all need to be always aware of the health of our breast by doing regular self breast exam and screening.