[Diet and physical activity in type 2 diabetes prevention].

As diabetes is directly influenced by the way of life, a control of diet and physical activity may help in a prevention of the disease. Three recent studies have demonstrated this beneficial effect. Reduction caloric intake, controlling body weight and limitation of saturated fat absorption have proved their benefit effect in predisposed population; in the same way physical activity is effective in weight control and improvement insulino-resistance. So prevention of type 2 diabetes may be effective. A delay in the appearance of the disease may be quite useful in decreasing the importance of complications by decreasing time exposure to high blood glucose level.