Self-reported Nonmusculoskeletal Responses to Chiropractic Intervention: A Multination Survey

A minority of patients with self-reported nonmusculoskeletal symptoms report definite improvement after chiropractic care, and very few report definite worsening. Future studies should use stringent criteria to investigate a possible treatment effect and concentrate on specific diagnostic subgroups such as digestive problems and tinnitus. (J Manipulative Physiol Ther 2005;28:294-302)