Diabetes and age.. Lack of exercise and the amount of muscle in the body and increase body weight

Increases the risk of developing type II diabetes, the greater the person's age, especially after age 45 years. 

This is because after that age that person begins to exercise too little, and less than the amount of muscle in the body and increases body weight. 

But sugar also spread between the ages of 30 and 40 years with inactivity and weight gain.