George North has been told not to play again February after suffering a third concussion in four months against Wasps . North suffered two head injuries against England in this season but was controversially allowed to stay on the pitch . World Rugby concussion advisor Professor Wille Stewart believes North is in need of an extended rest period .
George North has been told not to play again this season after suffering a third concussion in four months against Wasps . North suffered two head injuries against England in February but was controversially allowed to stay on the pitch . World Rugby concussion advisor Professor Wille Stewart believes North is in need of an extended rest period .