Study Says It Can Track NFL Brain Injuries with PET Scans

The NFL needs this. Dr. Gary Small's study on tracking CTE, the central brain disease in former NFL players, has offered proof of its theory in a study published today: It can use PET scans to track the onset of CTE, and maybe save the lives of current and former players. » 1/22/13 3:23pm 1/22/13 3:23pm