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Rheumatoid Arthritis Overview


Rheumatoid arthritis (RA) is a chronic autoimmune disease characterized by inflammation in the lining of the joint capsule (synovium) and the lining of tendons. RA is a serious and often disabling condition that can cause chronic pain, permanent joint damage, and loss of joint function. Some research indicates that, instead of a single condition, rheumatoid arthritis may in fact be a group of different diseases that have several common features.


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