Rheumatoid arthritis (RA) is a chronic, auto-immune, inflammatory condition that primarily affects the small joints of the hands, and feet. Over time symptoms influence the wrists, ankles, elbows, knees, and shoulders. In most cases, symptoms occur in the same joints on both sides of your body.

Rheumatoid arthritis occurs when the immune system mistakenly attacks the synovial membrane. The result of this attack is a painful swelling that can eventually destroy the cartilage and the bone. Rheumatoid arthritis can also cause joints deformation and shifting out of place.

RA can cause inflammation to other organs of the body, such as the membrane around the heart, the whites of the eye, the blood vessels and the membranes of the lung.

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