The itchiness is from his auto-immune disease, and the stomach problems from colitis
Well, celiac disease is the root cause of many autoimmune diseases. And there is a big overlap between gluten sensitivity and colitis. Seems silly that he won't at least try it when he appears to suffer so.
Another thing to investigate - low dose naltrexone dot org. Very preliminary study showed 2/3 remission rate in Crohn's disease. Has been studied in MS. Anecdotal stories of responses in other autoimmune disorders.
