Verum versus sham needling

American researchers have examined the pain reducing effect of verum manual acupuncture (ACU), compared with that of placebo needling, using a combination of fMRI and PET imaging. Twelve acupuncture-naïve healthy subjects were randomised into a real acupuncture group and a placebo acupuncture group (Streitberger retractable needle). Over four sessions, the researchers induced pain in the subjects ...
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