It is an idiopathic functional/mechanical malady if you will, and tends to be chronic. Like so many other such conditions...cpps, interstitial cystitis, etc...I’m convinced they are stress/anxiety based. Doctors know a lot about them but just not how to fix them.There is a vicious cycle feedback loop involved...anxiety/stress creates the pain which feeds anxiety which feeds the pain and on and on. Where it focuses depends on ths individual. The trick is to break out of the cycle by escaping anxiety/stress. Good luck on that!
I AGREE WITH YOU about the vicious cycle- indeed, Elaine Gottschall years ago wrote a book CALLED Break the Vicious Cycle in which she chronicled the SCD, the Specific Carbohydrate Diet ,not designed by her, but administered by her to her daughter, who suffered from Ulcerative Colitis, with significant results. Stress does play a significant role in exacerbating UC- it did for me early on. I have been dealing with this for 31 years, but I learned how to handle the stress- that’s 100% mental. I just changed how I deal with things on a day to day basis, PLUS, I’ve been extremely fortunate to have pretty good insurance. Believe me, that’s helped cut down on the stress, lol.