Therapy based on the theory that a person's health is determined by the condition of their musculoskeletal and nervous systems.

Chiropractors believe that misaligned vertebrae impair the nervous system, thereby lowering defenses and contributing to disease. Chiropractors contend that good health requires vertebrae to be in proper alignment - a goal attainable only through spinal adjustments, the crux of chiropractic care.

Few chiropractors continue to subscribe to the view that subluxations cause...