Crohn's/colitis = Inflammatory Bowel Disease. There is a Crohn's forum, http://www.crohnsforum.com/ - which you might find helpful.
Also recommend a google search on "leaky gut syndrome;" Wikipedia's info on this is good.
Not sure about "reversible" but people can go into remission for long periods of time. Drugs can do wonders for some people with Crohn's, others have little luck with them. Many people try holistic/alternative medicine. Some feel better by undergoing drastic dietary changes (no flour/no sugar, for example). The one thing I've found in learning about this condition, is that everyone's case is different, not all Crohn's sufferers have exactly the same symptoms, triggers, or respond to the same treatment.
Thjank you! yes, I have looked there. It’s just very depressing and often if you have an echo chamber of people suffering from the same ailment, it becomes difficult to think outside the box.