Women who regularly drink sugar-sweetened colas are running a high risk of developing endometrial cancer. The risk starts to increase for women who drink more than one cola a week, but it rises dramatically to a 78 per cent increased risk in women who drink eight or more cans or bottles a day. The drinks seem to increase the chances of developing estrogen-dependent type I endometrial cancer, which is the most common type of the cancer, but not type II. The colas that increase the risk are Coke, Pepsi and other colas with sugar, caffeine-free Coke, Pepsi and other colas, other carbonated drinks that have added sugar, and lemonades and other non-carbonated fruit drinks, say researchers from the University of Minnesota. The risk is directly related to the amount that is drunk, the researchers discovered after questioning 23,039 post-menopausal women. Compared to women who never drank colas, those who drank between 1.7 and 60.5 drinks a week saw their risk increase. (Source: Cancer Epidemiology Biomarkers & Prevention, 2013; doi: 10.1158/1055-9965.EPI-13-0636).