Osteoarthritis Frequently Asked Questions

Osteoarthritis (OA) is a common disorder that affects the joints and is caused by a loss of cartilage. Cartilage is the covering over the ends of bones that serve to provide a smooth gliding surface. When this cartilage surface is lost or destroyed, the underlying bone becomes exposed. As the disease progresses, more cartilage is lost and eventually bone rubs against bone within the joint.

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