Celiac Disease and Autoimmune Thyroid Disease
This paper from the journal Clinical Medicine & Research is an extensive review of the strong association between celiac disease and autoimmune thyroid disease. Two things to bear in mind: (1) most thyroid disease is autoimmune; (2) this paper does not encompass the more widespread non-celiac gluten sensitivity. They conclude: "Treatment of CD with a gluten-free diet should reduce the recognized complications of this [autoimmune thyroid] disease and provide benefits in both general health and perhaps life expectancy. It also improves glycemic control in patients with type 1 diabetes mellitus..."