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.
some cases, arthritis is caused by other conditions that damage cartilage.
Anne C. Poinier, MD - Internal Medicine
Stanford M. Shoor, MD - Rheumatology
April 8, 2011
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