上周，加拿大运动性脑震荡项目宣布了4名CFL足球运动员的大脑解剖结果。

Last week the Canadian Sports Concussion Project announced the results from brain autopsies of four CFL football players.

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如果你喜欢橄榄球、橄榄球、足球或是拳击运动，那么你就会很清楚这些以及其他接触性运动中的运动员常处于脑震荡的危险境地。

If you follow football, hockey, soccer, or boxing, then you know that athletes in these and other contact sports are at constant risk for a concussion.

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