Promotion masquarading as science: the example of chiropractic pseudo-research
Systematic reviews are aimed at summarising and critically evaluating the evidence on a specific research question. They are the highest level of evidence and are more reliable than anything else we have. Therefore, they represent a most useful tool for both clinicians and researchers. But there are, of course, exceptions. Take, for instance, this recent systematic review by researchers from the Texas Chiropractic College, Pasadena, the Palmer Center for Chiropractic Research, Palmer College of Chiropractic, Davenport, Department of Planning, Policy and Design, University of California, Irvine, VA Puget Sound Health Care System, Tacoma, New York Chiropractic College, Seneca Falls, Logan University College of Chiropractic, Chesterfield, University of Western States, Portland. Its purpose was to evaluate the effectiveness of conservative non-drug, non-surgical interventions, either alone or in combination, for conditions of the shoulder. The review was conducted from March