CQ Researcher - CTE and Athletes
NFL, NIH collaborate on traumatic brain injury, concussion research - CBS News
Junior Seau had CTE, study reveals
Junior Seau's family sues NFL over brain injuries – The Oakland Press
Concussion Research Slowed By Shortage Of Donated Brains : Shots - Health News : NPR
Landmark Ruling: Contact Sports Cause CTE and Brain Damage
Seau had brain disease that comes from hits to head, NIH finds
How Much Brain Damage Is Acceptable? None, Says The Smartest Player In The NFL
Family: Seau's last days haunted by debilitating brain disease