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Sham Knee Surgery
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Sham Knee Surgery

Sham Knee Surgery

Sham Knee Surgery
  • Download
  • <iframe src="https://www.npr.org/player/embed/1146452/146452" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Researchers say a common surgical procedure for arthritis of the knee is no better than a placebo. They tested the procedure with the same approach used to test drugs. As NPR's Richard Knox reports, some people got real surgery, others got sham surgery made realistic by the use of real incisions in the skin.

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