Risk Factors for Male Breast Cancer
- Exposure to Radiation. Exposure to radiation such as previous radiation therapy for lymphoma is a risk factor for male breast cancer.
- Family History. Statistics show that at least 20% of men with male breast cancer had a close female relative with breast cancer. The mutated BRCA gene is responsible.
- Klinefelter’s Syndrome. This genetic disorder is also a risk factor for male breast cancer.
- Liver Disease. Having cirrhosis raises your level of estrogen within the body, which may be responsible for the development of male breast cancer.
- Age. Most cases of male breast cancer occur between the ages of 60 and 70.
copy from : about.com