Being overweight is a risk factor for developing this disease, but other risk factors such as family history, ethnicity and age also play a role. Unfortunately, too many people disregard the other risk factors for diabetes and think that weight is the only risk factor for type 2 diabetes. Most overweight people never develop type 2 diabetes, and many people with type 2 diabetes are at a normal weight or only moderately overweight. - See more at: http://www.diabetes.org/diabetes-basics/myths/?referrer=https://www.google.co.th/#sthash.DgtF6z9D.dpuf