Can Type 2 Diabetes be cured by losing weight? The answer to the question is a complicated one as research on the issue is inconclusive. By losing weight you can reverse some of the harmful effects of Type 2 Diabetes, but even thin people can have Type 2 Diabetes. Weight loss is always a positive step in fighting the onset of the disease. How much weight should you lose to make a difference? The answer is different for all of us, as the factors include your body type, weight