What is IBS?
Irritable Bowel Syndrome (IBS) is chronic condition that affects the colon (large intestine). It causes gas, bloating, abdominal discomfort, diarrhea, and/or constipation.
We don't know for certain what causes IBS. Some experts believe that a past gastrointestinal infection lead to oversensitivity of the colon and consequently IBS. Others look for hormonal and genetic causes.