As with breast cancer in women, there are no known ways to prevent this disease. However, there are several risk factors that may impact a person’s risk of breast cancer. Though certain risk factors are outside an individual’s control, men can reduce the risk of breast cancer by avoiding the following risk factors:

• Consumption of alcohol
  
  
• Use of tobacco
  
  
• High-fat diet
  
  
• Sedentary lifestyle
  
  
• Testicular injury (wear a protective cup during contact sports)
  
  
• Female hormones. Men taking high levels of estrogens for a sex change have increased risk of breast cancer.

Hormone therapy for prostate cancer might slightly raise the risk of breast cancer in men, but the benefits of the treatment outweigh the small risk, according to the American Cancer Society.