Article Excerpt:

It’s not every day, or even every decade, that research leads to a real medical breakthrough — the kind that revolutionizes the treatment of a disease or condition. But these cutting-edge therapies promise to do just that. And for the four women profiled here — who have been part of these exciting studies — the revolution has already happened.

Knee Self-Repair

Three years ago, Pixie Greenemeier, then 45, was doing a squat in her exercise class when she tore her right meniscus, the cartilage that cushions the bones of the knee. The injury was severe — Greenemeier, a mother of four and a pediatric nurse at Children’s Hospital in Denver, was in constant pain, which sometimes interfered with her responsibilities at work: “If I had to bend down to look at, say, an oxygen tank, it was a real ordeal to get back up.”

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