London: Experts say post-menopausal women who have Type 2 diabetes may be at greater risk of developing breast cancer.An international team examined 40 separate studies looking at the potential link between breast cancer and diabetes. These studies involved more than 56,000 women with breast cancer.Being obese or overweight has been linked to both conditions. But cancer experts say there may be a direct connection between the two.The researchers found that post-menopausal women with Type 2 diabetes had a 27 percent increased risk of breast cancer. But there was no link for pre-menopausal women or those with Type 1 diabetes.Writing in the British Journal of Cancer, the researchers have suggested that a high body mass index (BMI), which is often associated with diabetes, may be an underlying contributing factor.“We don’t yet know the mechanisms behind why Type 2 diabetes might increase the risk of breast cancer,” the BBC quoted Prof Peter Boyle, president of the International Prevention Research Institute, who led the study, as saying.
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