Traditional Chinese acupuncture has been around for centuries but, more recently, there has been interest on the medical or physiological effects of acupuncture.
Sticking a needle anywhere in the body, whether it is an acupuncture point or not, will have an effect. If we accidently knock a body part and experience pain, then our automatic reaction is to rub it better. From a physiological point of view, we are stimulating our body's own nervous system to block the pain impulses.
Acupuncture works in ...