Both aerobic exercise & resistance training can help control diabetes, but the greater benefit comes from a fitness program that includes both
Low-carb diets, the glycemic index diet or other fad diets may help you lose weight, but they are not very effective at preventing diabetes.
Excess body fat, particularly if stored around the abdomen, can increase the body’s resistance to insulin. This can lead to type-2 diabetes.
Most people can do this with regular exercise, a balanced diet and by keeping a healthy weight. In some cases, you might need prescribed medication.