Former NFL star Demaryius Thomas' family says he had CTE
Every NFL player who played into his 40s
Doctors and a former NFL athlete talk about the risks and treatments of concussions
Study: CTE Found In Nearly All Donated NFL Player Brains
5 NFL Athletes Who Had CTE
5 NFL Athletes Who Had CTE
5 NFL players who were diagnosed with CTE after dying at a young age
Late NFL, Georgia Tech football player Demaryius Thomas had Stage 2 CTE, researchers say
College Football Star Who Died By Suicide Had CTE
In Wake of Duerson Case, 5 Questions About Football and Brain Injury
Study links longer football careers to more severe cases of CTE, Concussion in sport
Brain Study: Out of 111 former NFL players, only one didn't have CTE
Some people who never played pro sports still fear CTE. Here are their stories : NPR
Football, CTE, and Dementia: 5 New Answers, The Brink