Preventing Diabetes Dr. Neal Barnard, M.D. specializes in diabetes and asserts that diabetes can be reversed and he has recently co-authored a study showing that his recommended diet significantly reduces heart disease in people with Type 2 diabetes. We'll take a look at this widespread and preventable disease. GuestDr. Neal Barnard, M.D. - Nutritional researcher and Author of Dr. Neal Barnard's Program for Reversing Diabetes Dr. Barnard recommends this resource for diabetes. Click here.