Some researchers think that artificial sweeteners, most frequently consumed in diet drinks, may confuse the body. Justin Sullivan/Getty Images hide caption toggle caption Justin Sullivan/Getty Images The Salt Do Diet Drinks Mess Up Metabolisms? July 10, 2013 A body of evidence suggests artificial sweeteners — most often consumed in diet drinks — could raise the risk of weight gain and type 2 diabetes. Some researchers think that artificial sugar may confuse the body. Do Diet Drinks Mess Up Metabolisms? Audio will be available later today.