The effects of acupuncture on the brain and body and how best to measure them are only beginning to be understood. Current evidence suggests that many factors—like expectation and belief—that are unrelated to acupuncture needling may play important roles in the beneficial effects of acupuncture on pain.
Acupuncture is a family of procedures involving stimulation of anatomical locations on or in the skin by a variety of techniques. There are a variety of approaches to diagnosis and treatment in American acupuncture that incorporate medical traditions from China, Japan, Korea, and other countries. The most thoroughly studied mechanism of stimulation of acupuncture points employs penetration of the skin by thin, solid, metallic needles, which are manipulated manually or by electrical stimulation.
The National Institutes of Health (NIH) Consensus Development Program was established in 1977 and is designed to assess health technology. The program organizes major conferences that produce consensus statements and technology assessment statements on controversial issues in medicine important to health care providers, patients, and the general Public.