With regard to your queries I’ll mention a few
facts about IBS.Your bowel is a muscular tube, which stores and digests food. Irritable bowel is a disorder that affects the nerves and muscles of the bowel. This causes abdominal pain and irregular bowel movements.IBS is a diagnosis of exclusion, i.e. once all other diseases of the colon like colitis, infections, tumors etc. have been ruled out, then the diagnosis of IBS is made.
For IBS there is no cure.