Check out the Wim Hof Method
https://www.wimhofmethod.com/
Many people have found relief from autoimmune diseases. There is no need to pay for anything like the classes. Just do some basic reading, watch a few videos. Try out the breathing technique and cold showers for a week and see if you get relief.
I've been practicing for several years now and it is a great lifestyle change i've made--and very simple.
