Originating in ancient China, Acupuncture has been used for 2500 years. Traditional Chinese medicine holds that disease is caused by blockages and imbalances of energy (known as chi) flowing through meridians in the body, and can be eased by inserting needles at specific points.
Since the 1970s, Acupuncture has become more popular outside east Asia. Once widely considered a quack medicine, there is now tentative support for its use in certain conditions from respected official bodies such as the World Health Organisation, the National Health Service in the UK and the National Institutes of Health in the US.
There is evidence that Acupuncture is effective in treating a range of conditions including spinal injuries, back & neck pain, migraine headaches, infertility and the side effects of chemotherapy , and that its effects aren’t entirely due to the placebo effect. Recent research is now showing why Acupuncture works.
Wenjing Huang of Charité University Medical Center, Berlin, Germany, and colleagues used more than 100 studies to produce these brain maps of 18 acupuncture points. Areas of the brain activated by stimulating a point are shown in red; areas deactivated are shown in blue.
For example, the two vision-related points GB37 (gall bladder) and UB60 (urinary bladder) showed deactivation in visual brain areas like the Cuneus. The team concluded that Acupuncture seems to affect the brain’s processing of both physical Sensations and Emotions. For now, though, the source of Chi remains elusive.