A third of former NFL players surveyed believe they have CTE, researchers find NPRMany Former NFL Players Believe They Have CTE, Raising Suicide Risk U.S. News & World ReportOne-Third of Former NFL Players Fear They Have CTE Neuroscience NewsMany football players fear they have brain disease — But it may be something completely different Study FindsNew study reveals common belief of CTE, link to mental health among former professional NFL players VUMC Reporter