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Osteoarthritis (OA) is the most common type of arthritis. It affects more Canadians than all other forms of arthritis combined. OA is a progressive disease of the whole joint that leads to breakdown of joint cartilage and the underlying bone. (Cartilage is the tough elastic material that covers and protects the ends of bones.) OA used to be described as a degenerative or “wear-and-tear” arthritis

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Visit Arthritis Society for more information on Osteoarthritis