AdvertisementIn Youth Hockey, 'Checking' Ups Risk Of Brain InjuryJune 13, 2010Allison AubreyfacebookEmailYouth teams play on an auxiliary outdoor rink before the 2010 New Year's Day Winter Classic NHL hockey game. New research shows that young players in leagues that allow checking are much more likely to suffer concussions and serious injuries than kids who play in leagues that ban it. (AP)