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Osteoarthritis Symptoms and Causes

Osteoarthritis, the most common form of arthritis, is a chronic degenerative joint disease that affects mostly middle-aged and older adults. Osteoarthritis is characterized by the breakdown of joint cartilage. Although it can occur in any joint, usually it affects the hands, knees, hips or spine. The disease is also known as degenerative arthritis or degenerative joint disease.