Common Stomach Bacteria
Irritable bowel syndrome (IBS) is a common disorder in Americans. According to the National Institute of Diabetes and Digestive and Kidney Diseases, one in every five men and women has IBS. Women are two times as likely to have the disorder. Half of all cases are diagnosed before age thirty-five.

Despite its high prevalence in the population, much is unknown about IBS. This is due in part because the area affected, the gastrointestinal (GI) tract, is so dynamic. The GI tract is comprised of the stomach, small intestine and colon (a.k.a. large intestine). It’s influenced by the immune and nervous systems, and contains hundreds of different types of bacteria that aid digestion.

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