So, eating regular meals will help you prevent excess acid irritation and ulcers. Certain foods, however, irritate your stomach and should be avoided.
Tobacco also stimulates acid production and weakens the stomach lining.
Your intestines have different requirements. It also dilutes irritating and harmful chemicals, reducing their ability to damage the lining of your bowel. High intestinal residue also increases your excretion of bile chemicals and thereby reduces your chance of having gallstones. Your lower bowel functions best when full of the same soft, moist residue. The more bulk there is, the easier it can be passed along with the rhythmic squeezing called peristalsis.