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DURHAM, N.C. -- Over-the-counter pain relievers, physical therapy, steroid injections -- some people have tried it all and are still dealing with knee pain. Often knee pain comes from the progressive
The thin, slippery layer of cartilage between the bones in the knee is magical stuff: strong enough to withstand a person’s weight, but soft and supple enough to cushion the joint against impact, over decades of repeat use. That combination of soft-yet-strong has been hard to reproduce in the lab. But now, Duke University researchers say they’ve created an experimental gel that’s the first to match the strength and durability of the real thing.