Dr. Don Andrews, MD, an internal medicine provider at The Everett Clinic discusses diabetes. Diabetes is an increasingly common problem. The main cause of diabetes is the growing problem of obesity in the United States. Obesity causes a variety of health problems which in turn can result in a diabetes diagnosis. Diabetes in turn can cause problems such as: kidney problems, loss of vision, stomach problems, early heart disease and stroke. If well controlled, issues resulting from Diabetes can be much less.