Researchers from Peninsula Medical School at the Universities of Exeter and Plymouth in the UK reviewed 13 studies and found 5 with more than 1300 patients and analysed the results.

Acupuncture was superior to sham acupuncture (pretend acupuncture) for both pain and function. The effects were also significant at long-term follow-up.

This systematic review of acupuncture for knee pain was published in journal Rheumatology (Oxford). 2007 Mar;46(3):384-90.

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