Chronic traumatic encephalopathy, or CTE, returned to the national limelight this week when a gunman who believed he had the degenerative brain disease killed four people in a Manhattan skyscraper.

This story mentions suicide. Mental health resources can be found at the bottom of this story. The death of Dallas Cowboys defensive end Marshawn Kneeland from an apparent self-inflicted gunshot wound ...

The latest head-trauma news in football is decidedly mixed: not good, but now there’s at least some hope for improvement. First, the bad parts: the family of Junior Seau, the former All-Pro football ...

Dave Zirin argues in The Nation that sports media has largely abandoned CTE coverage despite nine former and current NFL players under 48 dying in 2025. Seven of those deaths were suicides, involved ...

Shane Tamura, the gunman who killed four people and himself in a New York City office building in July, had CTE, a degenerative brain disease linked to head injuries sustained in football and other ...

A former NFL linebacker who believed he suffered from CTE died by suicide this week, his company confirmed. Jason Hairston, 47, founded the hunting apparel company KUIU after leaving professional ...

The death of Dallas Cowboys defensive end Marshawn Kneeland from an apparent self-inflicted gunshot wound on Thursday has fueled questions online about chronic traumatic encephalopathy, or CTE, a ...