Will I get CTE from one concussion?

Can I get CTE from one concussion?
Dr. Robert A. Stern
Professor of Neurology, Neurosurgery, and Anatomy & Neurobiology
Director of Clinical Research, BU CTE Center
Boston University School of Medicine

In this video, Dr. Stern explains that chronic traumatic encephalopathy (CTE) is a result of repetitive sub-concussive trauma to the head, and not from major, obviously symptomatic concussions.