What started 10 years ago with an offhand comment about the head-banging woodpecker has become a simple-looking device that just might prevent the types of brain injuries that have parents wondering if they should pull their children from the athletic field.Meet the Q Collar. The semicircular piece wraps around the sides and back of the neck, placing pressure on the jugular vein to send blood into the skull and, developers say, prevent the sloshing of the brain caused by hits to the head. [...]
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