Acupuncture Changes How The Brain Perceives Pain

The most common question asked about acupuncture is, “How does it work?” A close second is, “Is it all in your head (is it a placebo effect?)” A new study gets close to answering those questions. Researchers at the University Hospital in Essen, Germany, and their colleagues at University of Duisburg-Essen were able to locate the areas of the brain that are activated by acupuncture.  Using fMRIs (