Sugars in sugar sweetened beverages acutely increased blood glucose levels and have a high glycaemic index (80 to 110/100 of white bread), a risk factor for type 2 diabetes.68, 69 Fructose in sugar sweetened beverages promotes hepatic lipogenesis and further insulin resistance.2 Effects of caramels for colouring beverages,70 caffeine,49, 71 phosphoric acid,72 and other constituents may also exist. This evidence concerns the gene INS and type 2 diabetes mellitus.