Everyone gets gas. Research suggests the average person releases digestive gases 13 to 21 times a day. There are two main sources of gas: the air you swallow and the food you eat. Some foods, specifically those with lots of carbohydrates, are broken down by millions of harmless bacteria in your large intestine; the more bacteria, the more gas. Some foods have fats and protein that produce very little gas. Eating a low-flatulence diet can decrease excess gas and other gastrointestinal issues.
The number one producer of gas is beans. Kidney beans, lentils, butter beans, chickpeas, Lima beans, pinto beans, and fava beans all contain oligosaccharide sugars, which the body finds particularly difficult to digest due to the lack of a necessary enzyme. Because these sugars are not broken down until they reach the large intestine, the gas they produce there has no choice but to exit through the rectum.
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