Breast cancer risk higher in postmenopausal women with diabetes

Researchers from the International Prevention Research Institute (iPRI) in Lyon analysed the results of 40 studies involving more than 56,000 cases of breast cancer across four continents.

The increase in breast cancer was restricted to postmenopausal women with type 2 diabetes. No link was found for premenopausal women or for those with type 1 diabetes.

“On the one hand, it’s thought that being overweight – often associated with type 2 diabetes – and the effect this has on hormone activity may be partly responsible for the processes that lead to cancer growth. But it’s also