NEW YORK (CBSNewYork) — A faster and more accurate, albeit a bit odd, way to diagnose concussions may be in the works.

It tests a person’s saliva to tell if they’ve been concussed, something for which there’s currently no objective way to diagnose. It’s based mostly on symptomssuch as headaches, confusion, dizziness, and fatigue. Even a loss of consciousness isn’t diagnostic because you can have a concussion without being knocked out.

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