Medscape | Autoimmune Diseases Linked to Dementia Medscape A new study provides additional evidence linking autoimmune diseases to dementia, including Alzheimer's disease (AD). Researchers showed that compared with a control group admitted to the hospital for another reason, people hospitalized with an ... Link found between autoimmune diseases and heightened risk of dementia Link between autoimmune disease and dementia Immune Disorders Such as MS, Psoriasis May Be Tied to Dementia Risk |