Frequent urination, frequent thirst, excessive hunger are three of the most common symptoms. A person with Type I Diabetes must be on insulin for the rest of his or her life. This does not mean that they cannot lead a long, productive life. In fact, people who are diagnosed young in life become accustomed to the treatment and are generally more compliant than those who are diagnosed with Type II diabetes later in life and who tend to ignore many treatment options. Obesity is also an epidemic in the United States and many in the medical community believe that this is contributory to the corresponding diabetic epidemic. It is the general consensus of the medical community that obesity is a precursor to Type II diabetes. Therefore, those who have pre diabetes can stave off the disease by making some healthy life choices that will eliminate their need for medication or insulin in later years. Eventually, when a person has uncontrolled diabetes and does not maintain their proper blood glucose levels, the elimination process through the kidneys ceases to function effectively. The kidneys have to work harder and harder to eliminate the waste products and the proteins are blocked. The kidneys filter too much blood and begin to leak. How to prevent diabetes. Rule number one is manage your weight. One way to manage your weight is to stay way from foods laden with saturated fats, and sugars. Stay away from fast food, which is usually high in fats, carbohydrates and sugars. Most fast food offer little in the way of nutrition but are high in fat and carbohydrates. For someone who thinks a candy bar is way worse than white bread, the Glycemic Index can be a real eye opener and can be a great way how to use the Glycemic Index for someone who is trying to discover which carbohydrates are safer than others. Another way on how to use the Glycemic Index is to learn which carbohydrates are better for those who are trying to either watch their carbohydrate intake or who are on a diabetic diet. Because the glucose concentration is raised beyond the allowed threshold, glucose remains in the urine, causes more pressure and more frequent urination. When uncontrolled, diabetes can cause kidney edamage. Some patients with Type I diabetes present with nausea, abdominal pain and an comatose state.