rheumatoid arthritis

Definition / meaning of rheumatoid arthritis

An autoimmune disease that causes pain, swelling, and stiffness in the joints, and may cause severe joint damage, loss of function, and disability. The disease may last from months to a lifetime, and symptoms may improve and worsen over time.

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Find More About 'rheumatoid arthritis'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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