Blood test identifies brain damage from concussion in ice hockey

Half way into last year's season, 35 of 288 players in the Swedish Hockey League had already had a concussion. Researchers who surveyed all of the players in the league's 12 clubs, have now developed a method that can show just an hour after the injury how severe the concussion is, if there is a risk of long-term symptoms and about when the player can return to the game.

by via Latest Science News -- ScienceDaily