The relationship between alcohol and diabetes remains controversial, Robert Eckel, MD, FAHA, emeritus professor of medicine in the divisions of cardiology and endocrinology/metabolism/diabetes at the University of Colorado Anschutz Medical Campus and past president of the AHA, said in the release. “These data suggest that it’s not the alcohol with meals but other ingredients in wine, perhaps antioxidants, that may be the factor in potentially reducing new-onset type 2 diabetes,” he said.