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Cartilage Growth And Repair

As humans age, articular cartilage -- the smooth white tissue that covers the ends of bones where they form joints -- can become damaged. The damaged tissue cannot be repaired and can lead to chronic knee, hip and other joint pain. Stephen Trippel, M.D., is a cartilage growth and repair expert who joins “Sound Medicine” to discuss his research, the effects of damaged cartilage and why cartilage repair is so tricky.