OSCAR BURRIEL / SCIENCE PHOTO LIBRARY OSCAR BURRIEL / SCIENCE PHOTO LIBRARY
Acupuncture. Derived from traditional Chinese medicine, acupuncture involves the insertion of fine metal needles at specified point deep under the skin. The needles are then either vibrated, heated or (more recently) have a small electric current applied. The point of insertion is governed by the symptom. It is thought that the needle activates sensory nerves, thus promoting the brain to produce endorphins (natural analgesics). In western culture, acupuncture is increasingly used in complementary medicine for relief of pain or the withdrawal symptoms of addiction.
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