why stomach gas come
10 Possible Causes of a Bloated Stomach. 1. Digestive Disorders. Most people dealing with various functional gastrointestinal disorders like IBS, ulcerative colitis and celiac disease have bloating, gas, distension and other symptoms.
Gas in the digestive tract comes from two sources: air that you swallow and the breakdown of undigested food by bacteria in the large intestine. Certain foods may cause gas. Foods that produce gas in one person may not cause gas in another. You can reduce the amount of gas you have by.