Diabetes Linked to Higher Risk of Breast Cancer

The Physicians Committee
BREAKING MEDICAL NEWS September 24, 2012

Diabetes Linked to Higher Risk of Breast Cancer

September 24, 2012

Diabetes increases breast cancer risk in postmenopausal women, according to a new study published in Cancer Causes and Control. Researchers followed 52,657 women with diabetes and 30,210 women without diabetes and tracked who developed breast cancer and whether diabetes medication could alter their breast cancer risk. Postmenopausal women with diabetes had a 12 percent greater risk of developing breast cancer, compared with women without diabetes, and diabetes medications appeared to do nothing to lower breast cancer risk. A 2010 report from the American Cancer Society and the American Diabetes Association found that having diabetes more than doubled the risk of pancreatic, liver, and endometrial cancers and also increased the risk of breast, bladder, and colorectal cancer.

Redaniel MT, Jeffreys M, May MT, Ben-Shlomo Y, Martin RM. Associations of type 2 diabetes and diabetes treatment with breast cancer risk and mortality: a population-based cohort study among British women.  [published online ahead of print Sept 13, 2012]. Cancer Causes Control. DOI: 10.1007/s10552-012-0057-0.

Giovannucci E, Harlan DM, Archer MC, et al. Diabetes and Cancer: A Consensus Report. CA Cancer J Clin. 2010;33:1674-1685.

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