Reporter Cathy Gulli on Sidney Crosby's concussion

What scientists are learning by reconstructing hits to the head

Shot and edited by Tom Henheffer
Produced by Claire Ward

Read about Sidney Crosby’s concussion in Hits to the head: Scientists explain Sidney Crosby’s concussion’, in the February 28 issue of Maclean’s

Hit to the head: a similar one to Sidney Crosby’s (reconstruction) (VIDEO)
Reporter Cathy Gulli explains the seriousness of concussions in sports (VIDEO)
The damage done by concussions

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