There are many theories about how acupuncture may work, but more research is needed to provide a conclusive and detailed explanation. What has been demonstrated is that the stimulation of an acupuncture point can transmit impulses via the nervous system to the internal organs, the spinal cord, and brain. In so doing, it can alter blood and lymph flow locally and in the internal organs, and it can activate the endocrine and immune systems. Acupuncture can also trigger the release of endorphins in the central nervous system, which explains its ability to relieve pain and treat addiction.
There have been many trials demonstrating the efficacy of acupuncture in the treatment of:-