This recent breakthrough study published in the prestigious medical journal, SPINE, found absolutely no increased risk of suffering a stroke after chiropractic care versus a primary care visit. 

• Cassidy JD, Boyle E, et al. Risk of Vertebrobasilar Stroke and Chiropractic Care. Results of a Population-Based Case-Control and Case-Crossover Study. SPINE 33(45):S176-S183, 2008.