CTE discovered in 40% of athletes who died before age 30
Family's fight with CTE shows real impact of football concussions
Brain disease found in 76 of 79 NFL players examined in study
Study finds CTE in nearly 92% of former NFL players analyzed - CBS News
Buckley: Would players keep playing if they knew they had CTE? – Boston Herald
Be skeptical of studies designed to scare you about CTE and sports - Big Think
Playing American Football Might Increase Risk For Parkinson's Disease, Study Suggests
CTE Study Finds Evidence of Brain Disease in 110 Out of 111 Former NFL Players
CTE is real': New study finds brain disease in almost all football players tested
CTE found in 99 percent of former NFL players' brains donated in new study
Brain disease affecting pro football players appears to be rare in the military, study suggests