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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

Arthritis Pain and Sleep

The pain of arthritis makes it tough for many people to get a good night’s sleep. Worse yet, tossing and turning at night can actually increase the perception of pain. “There’s a reciprocal relationship between pain and poor sleep. The poorer people sleep, the more pain they tend to be in,” says Kevin Fontaine, PhD, assistant professor of rheumatology at Johns Hopkins University. “If people with arthritis can improve the quality of their sleep, they can usually reduce their day-to-day pain.” Here...

Read the Arthritis Pain and Sleep 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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