Rheumatoid arthritis (RA) is a chronic, inflammatory autoimmune disorder that causes the immune system to attack the joints.
It is a disabling and painful inflammatory condition, which can lead to substantial loss of mobility due to pain and joint destruction.
For more information about the topic Rheumatoid arthritis, read the full article at Wikipedia.org, or see the following related articles:
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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