.
The medical community is slowly coming around to realize that all autoimmune disease is related to celiac disease, the only autoimmune disease with a proven cause. The problem: People ingest sugar and grow gut microorganisms. They become infected with a nerve virus like varicella zoster which degrades immune function. The immune system starts confusing ingested complex proteins for gut microorganisms. The immune system starts dumping undigested proteins into the bloodstream where they attack nerves. The immune system responds by attacking the affected nerve tissue.

The thyroid is controlled by the brain's hypothalamus, and by the pituitary gland. Most thyroid autoimmune dysfunction begins as an attack against the hypothalamus. It responds by under-supplying or over-supplying thyroid control hormone. The thyroid gland becomes involved when it reacts to the shortages and excesses of control hormone.

Stop ingesting gluten and sweets, including fruit and artificial sweeteners. After a couple months test for other protein intolerances. It works. I cured my Graves disease this way.
..