Everyone experiences gas. In fact, passing gas 13 to 21 times a day is considered normal. It’s a natural result of digestion, proof that your body is working to break down food and extract nutrients.

Sugar-free gum with polyols such as sorbitol and xylitol is most likely to cause gas because of fermentation in the colon.

Constipation, marked by irregular and hard defecations, is a common problem with respect to digestion that can occur in ...