Mechanisms of Acupuncture Action

Updated:Mon, Oct 22, 2012 04:31 AM    Related:Acupuncture Theories

There are three main acupuncture mechanisms: Conduction of electromagnetic signals, Activation of opioid systems, Changes in brain chemistry, sensation, and involuntary body functions


Several processes have been proposed to explain acupuncture's effects, primarily those on pain. Acupuncture points are believed to stimulate the central nervous system (the brain and spinal cord) to release chemicals into the muscles, spinal cord, and brain. These chemicals either change the experience of pain or release other chemicals, such as hormones, that influence the body's self-regulating systems. The biochemical changes may stimulate the body's natural healing abilities and promote physical and emotional well-being. There are three main mechanisms:

Conduction of electromagnetic signals

Western scientists have found evidence that acupuncture points are strategic conductors of electromagnetic signals. Stimulating points along these pathways through acupuncture enables electromagnetic signals to be relayed at a greater rate than under normal conditions. These signals may start the flow of pain-killing biochemicals, such as endorphins, and of immune system cells to specific sites in the body that are injured or vulnerable to disease.

Activation of opioid systems

Research has found that several types of opioids may be released into the central nervous system during acupuncture treatment, thereby reducing pain.

Changes in brain chemistry, sensation, and involuntary body functions

Studies have shown that acupuncture may alter brain chemistry by changing the release of neurotransmitters and neurohormones. Acupuncture also has been documented to affect the parts of the central nervous system related to sensation and involuntary body functions, such as immune reactions and processes whereby a person's blood pressure, blood flow, and body temperature are regulated.

Preclinical studies have documented acupuncture's effects, but they have not been able to fully explain how acupuncture works within the framework of the Western system of medicine.

According to the National Institute of Health Consensus Statement on Acupuncture:

"Acupuncture as a therapeutic intervention is widely practiced in the United States. While there have been many studies of its potential usefulness, many of these studies provide equivocal results because of design, sample size, and other factors. The issue is further complicated by inherent difficulties in the use of appropriate controls, such as placebos and sham acupuncture groups. However, promising results have emerged, for example, showing efficacy of acupuncture in adult postoperative and chemotherapy nausea and vomiting and in postoperative dental pain. There are other situations such as addiction, stroke rehabilitation, headache, menstrual cramps, tennis elbow, fibromyalgia, myofascial pain, osteoarthritis, low back pain, carpal tunnel syndrome, and asthma, in which acupuncture may be useful as an adjunct treatment or an acceptable alternative or be included in a comprehensive management program. Further research is likely to uncover additional areas where acupuncture interventions will be useful."

Increasingly, acupuncture is complementing conventional therapies. For example, doctors may combine acupuncture and drugs to control surgery-related pain in their patients. By providing both acupuncture and certain conventional anesthetic drugs, some doctors have found it possible to achieve a state of complete pain relief for some patients. They also have found that using acupuncture lowers the need for conventional pain-killing drugs and thus reduces the risk of side effects for patients who take the drugs

Despite the powerful technology available today, even the modern physicists cannot explain exactly how this ancient healing therapy works. Perhaps in the near future, the actual chemical and electromagnetic events that occur during acupuncture will be described.



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Disclaimer:All the material presented in this article is for informational purposes only and should not take the place of a consultation from a trained medical professional.
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