The digestive system begins in the secretion of saliva when he sees food, which is the first help in the digestion of food, as well as preparing the stomach secretion also, the more I was interested and mastered at some point before eating, this has led to increased secretion of infectious and digestive enzymes, leading to irritation of the stomach and increase the movement systolic, and that little is not enough, forcing the human to a lot of eating, but the dimension of the setting and the thrill Incentive lead to reduce the insatiable lust of eating and fighting, and thus reduce the eating.
Do not make your stomach more distress and are not intended to be eating very worthy, but is simply equipping us the energy to sustain life, such as water and air, like gasoline for the car
And medical point of view
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