Does traumatic brain injury go away? Traumatic Brain Injury Effects Years Later How do you prove traumatic brain injury? Traumatic Brain Injury Treatment What is the most common traumatic brain injury? Types Of Traumatic Brain Injury What is the number one cause of traumatic brain injuries? A traumatic brain injury is a life-changing event, affecting an individual's lifestyle, ability to work, relationships--even personality. Whatever caused it--a car crash, work accident, sports injury, domestic violence, combat--a severe blow to the head results in acute and, often, lasting symptoms.