It is thought to affect at least 12% of the population. So what is Irritable Bowel Syndrome? It is a functional Bowel disorder that is characterised by abdominal cramping and altered bowel motions. There are three types of Irritable Bowel Syndrome IBS-A which is alternating constipation and diarrhoea IBS-C which is constipation dominant. Generally abnormally delayed and infrequent bowel movements. IBS-D which is diarrhoea dominant. [...]