Many people do it with just diet and exercise, if they stay strict to it, and never develop diabetes
. Many people who just progress onto Diabetes
are those who cheat a lot, with cake, candy, and white breads. And don't exercise. But, even if you are strict with diet and exercise, there is a chance you can still become diabetic. It depends on how strong the genetic factor is. Some people train hard, and eat cleaner than you can imagine, and still develop diabetes.