Acupuncture may ease pain by triggering release of natural painkiller

needling methods

Study in mice suggests that acupuncture relieves pain not just through the placebo effect but also by stimulating cells to pump out the body's own painkiller.

Needling methods and techniques found to be one of the keys of treatment outcome, "the acupunture had no effect at all in either group if the needles were not rotated".

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