Irritable Bowel Syndrome or IBS is a term often used by Doctors when they can't think of what else to do for a patient for their digestive system disorder.
Even BUPA say the causes are unknown.
The problem can often be stress related but there are actually many known potential causes.
There are a number of tests your nutritionist can recommend to get to the bottom of the problem.
Irritable Bowel Syndrome is an area in which Nutrition Therapy and a good Nutritionist can particularly excel
Please visit the page on constipation for more info.