Learn about the strong connection between obesity and diabetes. Obesity is a national epidemic and a major contributor to diabetes. There are more prediabetic patients today than ever before. Prediabetes occurs when your blood sugar levels are higher than normal but not yet high enough to be classified as type-2 diabetes.Host of The Wizard of Eyes, Dr. Robert Abel, welcomes endocrinologist, Dr. James Lenhard, to discuss the link between obesity and diabetes and what you can do to avoid it.