Former NFL WR Vincent Jackson had stage 2 CTE, family
NFL exec acknowledges CTE-football head trauma link
Will Smith thought 'Concussion' was going to make a bigger impact
NFL acknowledges CTE link with football. Now what?
Documentary: For years, NFL ignored concussion evidence
Does Football Have a Future?
Ex-NFL Player Who Shot 6 People Had CTE Brain Damage, Researcher Says
CTE in 99% of former NFL players' brains in new study - Sports
New research from Boston University shows widespread brain damage