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What are the causes of Rheumatoid Arthritis (RA)?
Richard M. Pope, MD
Northwestern University, Chicago, IL

Date Added: 05/02/13

The cause of rheumatoid arthritis is not known. However, there is a genetic predisposition in about 70% of patients. In these individuals, environmental exposure, such as cigarette smoke, has been shown to modify proteins within the patient's own body. This causes an immune response directed against...
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Richard M. Pope, MD, is the Chief, Division of Medicine-Rheumatology and Mabel Greene Myers Professor of Medicine at Northwestern University Feinberg School of Medicine in Chicago, IL.
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