Rheumatoid arthritis (RA) is the most common inflammatory disease of the joints. It is characterised by pain and swelling of both the small and large joints (mainly in the fingers, wrists and feet) accompanied by stiffness in the mornings and symptoms such as fatigue and weakness. It affects 1% of the world's adult population. It is more frequent among women, and it is most common between the ages of 30 and 50, although it can appear at any time of life.
Rheumatoid Arthritis explained in first person
In rheumatoid arthritis, the synovium lining the inside of the joint capsule becomes inflamed. This is different from osteoarthritis in that cartilage wear occurs rather than inflammation.
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