EDIT: Let’s cool it with the downvotes, dudes. We’re not out to cut funding to your black hole detection chamber or revoke the degrees of chiropractors just because a couple of us don’t believe in it, okay? Chill out, participate with the prompt and continue with having a nice day. I’m sure almost everybody has something to add.
IBS is also a more generic condition with Crohns and Colitis being related conditions with identifiable physiology and treatments. The “cause” isn’t known but it’s similar with genetically susceptible individuals having environmental, bacterial, immune factors. Immunomodulators being frontline treatments.