““While a definitive causal link between diet and autoimmune disease in general has yet to be made, more and more autoimmune diseases (and many nonautoimmune diseases) are being linked to gluten sensitivity. While further research is required, some doctors and researchers are even beginning to believe that gluten sensitivity may be a factor in every autoimmune disease. Furthermore, increased intestinal permeability (also known as leaky gut, which we’ll talk about in more detail shortly) is present in every single autoimmune disease in which it has been tested: gluten increases intestinal permeability.””