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sgmd concussion helmet sensors_00001817.jpg
sgmd concussion helmet sensors_00001817.jpg

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    Concussion helmet sensors: Do they work?

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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.

Concussion helmet sensors: Do they work?

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