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Uploaded by CBS on Feb 4, 2010
Dr. Jennifer Ashton spoke to Harry Smith about the effect of repeated concussions on both student and professional football players and what can be done to prevent permanent damage to the brain.
News & Politics
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Learn what GelCool Systems cooling gel packs can do help absorb some of the concussive energy of these traumatic blows.
pupsyandr 1 year ago
He's my neighbor!
SuperGuyTV 1 year ago
the problem nobody wants to admit...
SuperKixxx 2 years ago
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Learn what GelCool Systems cooling gel packs can do help absorb some of the concussive energy of these traumatic blows.
pupsyandr 1 year ago
He's my neighbor!
SuperGuyTV 1 year ago
the problem nobody wants to admit...
SuperKixxx 2 years ago