Acupuncture effective for chronic pain

Acupuncture is an effective treatment for chronic pain, although there is only a relatively small difference between real and sham treatment, a meta-analysis has found.

The review included almost 18,000 patients with four types of chronic pain: back and neck pain, osteoarthritis, chronic headache, and shoulder pain.

Pain was at least halved in 50% of patients treated with true acupuncture, compared with 43% in those given sham acupuncture,

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