@smilie - is this perhaps what you were referring to when you mentioned cognitive behavior https://www.mayoclinic.org/tests-procedures/cognitive-behavioral-therapy/about/pac-20384610?

If you've not had the chance to check out this rheumatoid arthritis discussion on Connect, @smilie, I'd encourage you to do so https://connect.mayoclinic.org/discussion/rheumatoid-arthritis-ra-introduce-yourself-and-meet-others.