What Is Irritable Bowel Syndrome?
2. Nervous System Causes
The exact causes of irritable bowel syndrome are not yet clearly understood. However, it is associated with issues with the nervous system. Abnormalities in the nerves can mean that signals between the digestive system and the brain are affected. This can, in turn, cause abnormal reactions from the digestive system.
Another potential cause is contractions in the walls of the intestines. These muscles will usually contract to help push food along the digestive system, and these contractions may sometimes be stronger than usual. Alternatively, these contractions can also sometimes be weaker than they should be which can also cause problems.
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