Acupuncture is a form of health maintenance which stimulates the body's ability to correct and balance itself. Developed in China almost 6,000 years ago, it is based on the theory that the qi or chi life-force is channeled in its continuous flow throughout the body by a network of meridians. Disease is understood as an imbalanced meridian system, Hair-thin, usually disposable needled are inserted at specific points along the meridians to stimulate or disperse the flow of life-force in order to correct the imbalance.
Acupuncture - Felix Mann
The Complete Book of Acupuncture - Dr. Stephan Chang