Arthritis is a group of conditions that affect the health of the bone joints in the body.
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One in three adult Americans suffer from some form of arthritis and the disease affects about twice as many women as men.Arthritic diseases include rheumatoid arthritis and psoriatic arthritis, which are autoimmune diseases; septic arthritis, caused by joint infection; and the more common osteoarthritis, or degenerative joint disease..
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