hesaonline.info is The Hashimoto’s Encephalopathy SREAT Alliance. We are a 501(c)(3) nonprofit organization formed in 2012. It is HESA’s mission to collect, archive, and share information regarding Hashimoto’s Encephalopathy (“HE”), also known as Steroid Responsive Encephalopathy Associated with Thyroiditis (“SREAT”) or simply Autoimmune Encephalopathy (“AE”) with the public and medical professionals. We share information relevant to HE/SREAT as well as updates on HESA's activities and our publications.