It is important to know that diabetes can cause a lot of complications in the elderly. These can be heart attacks, strokes, peripheral vascular diseases, Chronic renal failures, or blindness. So along with the treatment of diabetes, regular check ups are essential to monitor the control of diabetes, and keep a check on the development of complications. As you age, you are at high risk of diabetes induced symptoms and organ failure. With aging, the increasing insulin resistance and impaired pancreatic islet function decreases your life expectancy to 74 years.