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Concussion helmet sensors: Do they work?

CNN's Dr. Sanjay Gupta examines products that claim to measure potentially concussive hits using sensors.

Fri Nov 15, 2013 @ 4:08:39 pm ET via CNN Video
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About

I’m a father of three, a practicing neurosurgeon, and a globe-trotting journalist. Join me as I go beyond the headlines, and offer insight to stories that shape the quality of life for you and your family. FULL BIO

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