Brain concussion damage could linger in athlete's brain for a year, says study / NFL commissioner Roger Goodell says league has reduced concussion injuries / Springbok stalwart Eben Etzebeth again struggling with concussion symptoms / Concussions in the NFL are decreasing / NFL players suffered fewest concussions in a season in 2024 since league began tracking 9 years ago / Eagles' Jalen Hurts says he doesn't remember concussion sideline incident, amid bad year for brain injuries / Jalen Hurts concussion update reveals when he will return to play for Eagles / Brain donation: Concussion ended Shane Christie's career, now rugby star on a mission to help others / Carr 'week-to-week' with hand injury, concussion / NFL star Austin Ekeler talks concussion and memory loss because of it