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Osteoarthritis - Cause

Osteoarthritis occurs when changes in cartilage cause the cartilage to break down faster than the body can produce it. When cartilage breaks down, the bones rub together and cause damage and pain. Experts don't know why this happens. But things like aging, joint injury, being overweight, and genetics may increase your risk.

In some cases, arthritis is caused by other conditions that damage cartilage.

Recommended Related to Osteoarthritis

Joint Pain Not Inevitable With Age

Creaky, achy joints. A twinge in the knee. A sharp shooting pain from the shoulder to the elbow. No big deal, right? Wrong. All too often, we assume joint pain is a normal part of aging that we just have to learn to live with. Nothing could be further from the truth, say experts, pointing to a wealth of treatment options from exercise and alternative supplements to medications and joint replacement surgery. It's a serious problem, because pain can affect every aspect of your life. "Pain is not...

Read the Joint Pain Not Inevitable With Age article > >

    This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

    WebMD Medical Reference from Healthwise

    Last Updated: October 17, 2013
    This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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