Most of the food we eat every day is "rice / potato" which is all carbohydrate (carbohydrates). These carbohydrates are made of glucose through digestive diet (digestion). The "vitality" for this glucose body. Glucose reaches every cell of the body through the blood "insulin". If the intestinal is made in pancreatic (cellular) cells, then the amount of enzymes is more insulin '. For some reason if "insulin" is reduced or stopped, glucose in the 