The repeat concussions suffered by Miami Dolphins quarterback Tua Tagovailoa less than a week apart in September 2022 have brought the seriousness of traumatic brain injury back into the public eye and triggered scrutiny of the NFL’s concussion protocols. And the upcoming World Cup soccer competition, which begins Nov. 20, 2022, will likely include highly visible head injuries.
The Conversation asked David Howell, director of the Colorado Concussion Research Laboratory at the University of Colorado School of Medicine, to explain the latest science behind concussions and why a recently injured brain is more vulnerable to repeat injury. Howell’s work focuses on the many different areas of concussion-related dysfunction and recovery, including movement deficits, sleep problems and rehabilitation.
