The former NFL linebacker says he no longer watches the sport, but adds others should make their own decisions.
Traumatic Brain Injury
When her younger sister was diagnosed with a degenerative brain injury, dance professor Shawn Womack became her caretaker. That inspired a series of dance workshops with a BrainCare facility.
The recent Will Smith film "Concussion" may have put traumatic brain injury into the national spotlight, but work on degenerative diseases like chronic traumatic encephalopathy, or CTE, has been happening for more than a decade.
In December, Outside Magazine explores why more everyday athletes -- not just the professionals -- are suffering traumatic brain injuries.