Force of head hits increase odds of developing CTE: study
New techniques may detect CTE in brains of living former NFL players
Before There Was Donald Trump, There Was American Football
Football fans still loyal despite concerns about players' brains - CBS News
Over 99% of NFL players' brains in a study of dead players have CTE, permanent brain damage
More cases of brain disease found in football players
American football is too dangerous, and it should be abolished, Dave Bry
Chronic traumatic encephalopathy (CTE), Diagnosis, Treatment, & Football
LSU DB Greg Brooks Jr. diagnosed with rare form of brain cancer after surgery to remove tumor
CTE Found in Brains of Deceased Football Players - The Eichholz Law Firm
First professional female athlete diagnosed with degenerative brain disease CTE
East Texans wear blue in support for Troup's Cooper Reid
Rodney Harrison urges players to 'not depend on the NFL' and not return to field if they are hurt as it 'is not worth it' - San Diego Brain Injury Foundation
Kentucky high school football player dies from brain injury after hitting his head during practice