It is used more often on the tendons, at the center of the brow, or than over specific acupuncture points.

Especially the nervous system has been evaluated for a relationship to acupuncture points, but no structures have been clearly linked to them.

The electrical resistance of acupuncture points and meridians have also been studied, with conflicting results.

"The traditional acupuncture points are no more real than the black spots a drunkard sees in front of his eyes."

Several other therapies use a different way of stimulating the acupuncture points.

Those in the comparison group were treated with shams needles at the same acupuncture points.

Evidence for the anatomical existence of acupuncture points is not compelling.

Overall there is only preliminary evidence to suggest acupuncture points exist.

In 1993 the World Health Organization published a list of standard acupuncture points.

According to Eastern thought, there are as many as 20 meridians and more than 2,000 acupuncture points found along them.