Yes, suddenly changing your dietary amount of fibre leads to various side effects. However, having lots of fibre in your diet will tend to prevent bowel disease

Yes, suddenly changing your dietary amount of fibre leads to various side effects. However, having lots of fibre in your diet will tend to prevent bowel diseases rather than causing them. (I just looked on the NHS page about IBS and sorbitol pops up there a couple of times which I thought was interesting - https://www.nhs.uk/conditions/irritable-bowel-syndrome-ibs/diet-lifestyle-and-medicines/ https://www.nhs.uk/conditions/irritable-bowel-syndrome-ibs/d...)