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			| Osteoarthritis of the KneeIn osteoarthritis, the cartilage that protects and cushions the joints breaks down over time. As the cartilage wears down, the bone surfaces rub against each other. This damages the tissue and bone, which then causes pain. Osteoarthritis is common in the knee joints.ByHealthwise StaffPrimary Medical ReviewerAnne C. Poinier, MD - Internal Medicine
 Specialist Medical ReviewerStanford M. Shoor, MD - Rheumatology
Current as ofOctober 31, 2016Current as of:
                October 31, 2016Author:
          Healthwise Staff  Medical Review:
          Anne C. Poinier, MD - Internal Medicine & Stanford M. Shoor, MD - Rheumatology |  |  |  |  |  |