Playing football linked to brain changes
College players have smaller hippocampi, especially if they’ve had concussions
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/05/ns_football_free.jpg?fit=860%2C460&ssl=1)
TAKING A HIT The memory center of the brain is smaller in college football players than in other men who don’t play football or soccer, apparently due to head trauma, a study finds.
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