NEW YORK (CBS 2) — Emergency room visits for teen athletes with concussions have tripled in recent years, according to new research.

The study’s lead author, a New Jersey ER physician, said many parents, coaches and players simply don’t understand how serious concussions can be.

The advice: athletes with a head injury should get medical attention and should never return to play until all symptoms, including headaches, are gone.

The study is available online in the Journal of Pediatrics.

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