NFL, Players Union Agree to Change Concussion Protocol - The New York Times
How many concussions are too many for an active athlete?
High school football player dies after on-field head injury – Boston 25 News
The Rising Fear of Brain Injuries in School Sports - The Atlantic
NJ law clarifies return-to-play timeline for concussed students
New Jersey Unveils New Limits on High School Football Practices - The New York Times
The Football Player's Brain That Sparked the NFL's Concussion Crisis - The Atlantic
New Jersey high school football player Xavier McClain dies follwing head injury - CBSSports.com
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Tua Tagovailoa injury: Dolphins QB suffers injury on hard hit in Week 4 TNF - DraftKings Nation
New Jersey high school football player dies after being injured on the field
Can Science Solve Football's Concussion Crisis?
NFL Return-To-Participation Protocol
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Most NFL Fans Unfazed By Concussions As Tua Tagovailoa's Injury Sparks Debate
Guardian Caps: NFL requires use of helmet cover at training camps to reduce head injuries
NFL Week 4 head injuries: Wave of players benched under concussion protocol after Tua Tagovailoa controversy | Sporting News
Sports Concussion - OrthoInfo - AAOS
New Jersey High School Football Player Dies After Traumatic Head Injury
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New Jersey High School Football Player Dies Weeks After Head Injury
A Hard Lesson - New Jersey School Boards Association
Xavier McClain: A New Jersey high school football player dies nearly two weeks after he was 'critically injured' in a game, school district says | CNN
How does NFL's concussion protocol work? Questions surrounding Tua Tagovailoa - The Athletic
Football helmets don't protect against concussion — and we're not sure what does
