Men have 1 in 15 chance of breast cancer
if they have that defect in their genes.
Breast cancer is most common in men age 60 to 70.
Excessive use of alcohol. causes greater risk of breast cancer.
Oestrogen drugs may also be used in hormone therapy
for prostate cancer
which can cause breast cancer in men.
Family history of breast cancer of a close family member with breast cancer, greater chance of developing the disease.
Liver disease such as cirrhosis
of the liver, the body's male hormones may be reduced and its female hormones may be increased. This can increase your risk of breast cancer.
Obesity may be a risk factor for breast cancer in men, because it increases the number of fat cells in the body. Fat cells convert androgens into oestrogen, which may increase the amount of estrogen in your body and, therefore, your risk of breast cancer.
exposure to the chest, such as those used to treat cancers in the chest, you're more likely to develop breast cancer later in life.