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"It is now a well established fact that cervical thrust manipulations can harm the vertebral artery…This problem is now better known. It is no longer attributed to atherosclerosis (and ageing process) but to a dissection of a vertebral artery, a clinical entity observed in younger patients (20-45 years)." Recommendations of The French Society of Orthopaedic and Osteopathic Manual Medicine (SOFMMOO) (2003)