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After Concussion, What Blood Can Reveal About The Brain

NPR SCIENCE FRIDAY

A hard hit to the jaw in an NFL game last weekend had Miami Dolphins player Matt Moore unable to stand for several minutes. Yet, he was cleared to return to play almost immediately.

While Moore is reportedly suffering no concussion symptoms, the NFL say they are reviewing their concussion protocols to ensure that they adequately protect players.

Meanwhile, researchers are examining the potential for a possible new biomarker in diagnosing concussions and identifying their severity: the protein tau, which is also found in the brains of people with the degenerative brain disease known as chronic traumatic encephalopathy, or CTE.

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