Do you know the risk factors for breast cancer? Find out.

Do you know the risk factors for breast cancer? Find out.

Breast cancer is one of the most common cancers in American women, occurring most often in women between the ages of 45 and 85. Some factors -- like older age -- can increase your risk for developing breast cancer, but other factors may reduce your risk. Find out about both.

See factors that can increase your risk for breast cancer.

See factors that may reduce your risk.

For more information, see “Cancer Facts For People Over 50,” an Age Page from the National Institute on Aging (NIA) at NIH.

The information on Breast Cancer was developed for NIHSeniorHealth by the National Cancer Institute (NCI) at NIH.