I have a question about insolulible fiber. I have been diagnosed with IBS about 10 years ago and all doctors used to tell me to eat a lot of fiber products. But now my complaints have increased because of eating whole grain breads, whole grain rice, pasta, and so on. I read on the internet somewhere that insolulible fiber can increase your problems. Does anyone know if that is true and if so, why don't the doctors mention anything about it?