A study has shed new light on the mechanisms behind idiopathic inflammatory myopathies (myositis), a group of systemic autoimmune disorders known for causing severe muscle weakness, fatigue, and ...
Myasthenia gravis (mai-uhs-THEE-nee-uh GRAH-viss) is a chronic autoimmune disorder that disrupts nerve-to-muscle signaling. This causes muscle weakness that varies in severity. Symptoms can be ...