One way to remove an opposing player from a football game is to initiate helmet-to-helmet contact and hope he fails his sideline concussion test.
If the player fails his test, he will be removed from the game, and will not return.
However, a recently released study suggests that the standard method of concussion testing is faulty, resulting in false positives for some athletes, while others who have suffered concussions have been ruled as healthy.
“If you don’t do well on the cognitive exam, it suggests you have a concussion. But many concussed people do fine on the exam,” Dr. Kimberly Harmon, the study’s lead author, said in a press release. “Some people weren’t concussed and they didn’t do well. So I thought we should study it.”...
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