Even without concussions, just one football season may damage players’ brains
Collisions in practices and games may be causing changes in white matter in the brain stem
![football players](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2019/08/080919_ls_football-brains_feat.jpg?fit=1028%2C579&ssl=1)
CRUNCH Over a season of college football, head knocks that were too small to cause concussions were nonetheless linked to changes in the brain stems of players.
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