Switch to a very high fiber diet, like lots of leafy greens. They slow digestion and can help lower your glycemic index. Most grains are simple carbohydrates, which mean you'll have a rapid increase in your blood sugar, this causes an insulin response. High insulin causes your body to convert said sugar to fat. Over time and weight gain your body can become resistant to the insulin, so it stays in your blood stream longer. Ask any diabetic that has taken too much insulin, that insulin hanging around is a bad thing. You will feel extremely hungry, causing an overeating response, which again raises ones blood sugar. Another insulin shot is needed, and if not dosed correctly puts too much insulin the blood stream. You can see who this leads to a very destructive cycle.