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Polymyositis (PM) is thought to be an autoimmune disease where inflammation resulting in cell damage is created when the immune system attacks healthy muscle tissue.
Muscle weakness can develop over a period of days, weeks, or months, is typically symmetrical (both sides of the body), and affects proximal muscles (muscles which are closest to the body’s core), such as the quadriceps, hip flexors, neck, and deltoid muscles. It affects and weakens the skeletal muscles, those involved with voluntary movement. This weakness often leads to difficulty climbing stairs, rising from a chair or the floor, turning in bed, lifting, styling hair, or reaching over the head for something like an item on a shelf. Some people also have problems swallowing, a disorder called “Dysphagia.” Muscle pain (myalgia) and joint pain, with or without true arthritis and joint inflammation, can also be a part of PM.
Polymyositis: The evolution of this diagnosis in light of recent research

Watch "Polymyositis: The evolution of this diagnosis in light of recent research" with Dr. Christopher-Stine, who also discusses immune-mediated...
A short story about Jerry Williams, president of MSU, and getting involved

It has been over 13 years since Jerry Williams, president of MSU, was diagnosed with Polymyositis, sometimes simply referred...
Polymyositis is a rare muscle disease caused by inflammation of the skeletal muscles and the surrounding tissues, such as...
There is an unfortunate stigma on many diseases that are painful and debilitating leaving us no longer able to...