Dr. Donald Weaver (IMAGE) University Health Network Caption Dr. Donald Weaver believes that Alzheimer's could be an autoimmune disease. Credit Krembil Brain Institute/UHN Usage Restrictions No restrictions License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.