For someone whose knee is sore and creaky, the prospect of replacing it with a new, metal-and-plastic version of the joint can be beguiling.
Read MoreResearchers at Duke University Medical Center used new tools they developed to analyze knees and hips and discovered that osteoarthritic knee joints are in a constant state of repair, while hip joints are not.
Read MoreThere is general consensus among health care providers that the initial treatment of knee OA should include weight loss and leg strengthening exercises. These two factors should be done with all patients with knee OA no matter what other treatments are used.
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