Evidence-based
Rheumatoid Arthritis (RA)
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•Last Updated: November 20, 2025
Rheumatoid arthritis (RA) is an autoimmune disease that is mainly known for affecting the joints, but can also affect other parts of the body. It is more common in women than men and often starts during middle age, but it can occur at any age. The cause of RA is not well understood, but it seems to involve genetic, environmental, and hormonal factors.
Rheumatoid Arthritis (RA) falls under the Pain category.
