MIKE DEVLIN / SCIENCE PHOTO LIBRARY MIKE DEVLIN / SCIENCE PHOTO LIBRARY
Arthritic wrist. Hand of a patient with rheumatoid arthritis of the wrist. The joint has become inflamed and swollen. Rheumatoid arthritis is caused by the immune system attacking the body's own tissues, causing progressive joint and cartilage destruction. As the cartilage is worn away, new bone grows as part of the repair process. This causes stiffness and deformity of the wrist. Treatment is with anti-inflammatory drugs and physiotherapy.
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