Irritable Bowel Syndrome (IBS)

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Causes

The cause for IBS is unknown. Many health care providers agree that the discomfort often starts when muscles in the outer layer of the intestines do not relax and contract in sync with each other. Digestion occurs too quickly—leading to watery stool that must be eliminated urgently (diarrhea), or too slowly—resulting in dry, hard stool that is difficult to pass (constipation).


Researchers are investigating several possible causes for IBS. For example:

Hormonal changes may...Read the full article