Real acupuncture turns up the heat

German scientists have used infrared thermography to distinguish between the effect of needling Hegu L.I.-4 and sham acupuncture (needling at a non-acupoint). Thermographic imaging was performed on 50 healthy volunteers randomly assigned to four procedures: acupuncture at Hegu L.I.-4 with needle manipulation, needling of a cutaneous non-acupuncture point, needling of a muscular non-acupuncture poi ...

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