Recently, a group of researchers took the issue of Cervical Artery Dissection, a key cause of strokes, and put it through the rigors of academia in a systematic review and meta-analysis.
The result: they found no evidence for causation. Here are the details on a contentious issue.
The authors of the study all hailed from the neurosurgery departments of either Penn State Hershey Medical Centre, Loma Linda University Medical Center or Pennsylvania State University. They undertook to examine the case reports and case control studies that suggested an association between chiropractic neck manipulation and cervical artery dissection by means of a systemic review and meta analysis