J Manipulative Physiol Ther. 1984 Dec; 7(4): 219-29.

Neurophysiological and nutritional considerations of pain control.

Pressman AH, Nickles SL.

Pain is a phenomenon experienced by all forms of life. Many theories exist to explain how it is perceived. This paper examines several of those theories, particularly as they relate to nutritional and neurophysiological implications in the production and management of pain. An explanation of how certain chiropractic treatment modalities operate is provided.