Rheumatoid arthritis vs. osteoarthritis

DS01122,DS00020_IM03689-mcdc7_arthritis_typesthu.jpg Osteoarthritis, the most common form of arthritis, involves the wearing away of the cartilage that caps the bones in your joints. With rheumatoid arthritis, the synovial membrane that protects and lubricates joints becomes inflamed, causing pain and swelling. Joint erosion may follow.
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