When you consider that chronic and acute autoimmune disease is totally a thing. For instance Hashimoto's disease where the immune system attacks the thyroid is

When you consider that chronic and acute autoimmune disease is totally a thing. For instance Hashimoto's disease where the immune system attacks the thyroid is chronic progressing. Thyroiditis, is acute and resolves. It would seem the burden of proof is on those that say the brain isn't subject to autoimmune disorders. Because everything else is.