The US National Institutes of Health defined Mixed Connective Tissue Disease as “a rare autoimmune disorder characterized by ...

New research from Tokyo, Japan could help clarify the role of proinflammatory mediators in the pathogenesis of chronic inflammatory myopathies, such as polymyositis and dermatomyositis.

Estrada had polymyositis, which is a disease that “causes muscles to become irritated and inflamed.” According to John Hopkins Medicine, the muscles “eventually start to break down and ...