Traumatic brain injury is usually the result of a sudden, violent blow to the head, in my case hitting the left side of my head on the car door jamb during my car accident. Such violent blows causes the brain to collide with the inside of the skull. This collision can bruise the brain, tear nerve fibers and cause bleeding. The severity of traumatic brain injury can vary greatly. A mild traumatic brain injury may cause temporary confusion and headache, but a serious one can be fatal.
It is to bad that it takes the death of a "Star" for people to bring attention to this under studied area of health care. One of the few places that I do know of, that has been studying this area for a long time is Body Mind Publications. They originally started as Whiplash Review many years ago.
In the video’s below, Dr. William Freeman, Neurologic Critical Care Director at Mayo Clinic in Jacksonville, Florida, and Dr. Allen Brown of Mayo Clinic’s Department of Physical Medicine and Rehabilitation discuss Traumatic Brain Injury (TBI):