Gadis Bandung Seksi Breast Cancer Risk Factors No one knows exactly what causes breast cancer. Based on statistical results, most breast cancer patients are women with age above 50 years. This means the older the person, then the chances of developing this disease. Another factor that affects the family history. If there are families who suffer from this disease, such as mother or siblings, the odds will be even greater. Breast cancer can also be caused by previous cancer in other organs that spread to the breast. Or if there is a history of previous cancer in other organs. Other causes that can trigger cancer is lifestyle. Frequently consuming foods that contain chemicals or carcinogenic, alcohol, or smoking.