What is the best diet for diverticular disease and ibs?

Avoid irritant foods: That is one of the most frequent questions! for years, people were advised to stay away from seeds, fiber, "roughage". For the most part, there is no ideal diet and this year a group authorities have decided that "seeds" no longer need to be withheld.--but first, be sure there are no food intolerances and a trial of a bulk forming laxative may help.