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What is cartilage?

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Cartilage is a firm, rubbery material that covers the ends of bones in joints. It works as a shock absorber to ease friction. Cartilage is more than 70% water, so it changes shape as you move.

SOURCE: National Institutes of Health: MedLine Plus.

Reviewed by David Zelman on May 11, 2017

SOURCE: National Institutes of Health: MedLine Plus.

Reviewed by David Zelman on May 11, 2017

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How is osteoarthritis treated?

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