The relationship between weight and cancer risk is a bit of a mystery to researchers. They know that obesity is a risk factor for cancer, but it’s not understood exactly how or why.

A new study sheds a little more light on the subject. Women, but not men, had a decreased risk of cancer following stomach stapling. The Swedish bariatric surgery study was published online at The Lancet. You can also read more at msnbc/health.
The study, which began in 1987, included 2,010 obese patients who had stomach stapling performed and 2,037 obese controls who didn’t have the surgery.
Of the women who …read more