Seau death raises concern over concussions - ABC News
Football Head Trauma Debate: Concussion May Have Lead to Junior Seau's Death
Former NFL player Junior Seau dead
Is Head Trauma to Blame for NFL Players' Suicides?, News
Outside the Lines: Mind Control - ESPN
Football Head Trauma Debate: Concussion May Have Lead to Junior Seau's Death
Did Football Kill Austin Trenum? - Washingtonian
Junior Seau's family sues NFL over brain injuries
A Football Coach's Struggle With C.T.E. — and a Guilty Conscience - The New York Times