Brain Disease and High School Football
Brain disease CTE seen in most football players in large report
Sports Concussion - OrthoInfo - AAOS
Head Hits, Not Concussions, Tied to CTE
110 of 111 Deceased NFL Football Players' Brains Had C.T.E., Study Finds
Researchers: 96% of ex-NFL players had brain disease
How the Sports World Learned to Ignore CTE - Global Sport Matters
Former NFL player accused of killing six people was suffering from severe CTE, Concussion in sport
Head Injuries & American Football - Ethics Unwrapped
NFL Player Chris Borland Retires Due to Concussion Risk
Over 99% of NFL players' brains in a study of dead players have CTE, permanent brain damage
How Sports Neurologists Protect Football Players' Brains
Research on concussions can't say if football is bad for the brain - STAT