Contact sports will 'cease to exist' within a generation
Concussions: Is it safe for kids to play contact sports?, UCI Health
What's a safe age for kids to start playing contact sports? Scientists still don't know
Concussion' doctor says kids shouldn't play contact sports until they're 18
Preventing Overuse Injuries in Teens
Concussion expert says children shouldn't play football until they turn 18, NFL
NFL under fire over its concussion protocol following Tua Tagovailoa's back-to-back game hits - ABC News
Concussion patients should avoid screen time for first two days
CTE In Athletes Linked To Hits To The Head, Even Without Concussions : Shots - Health News : NPR
Should tackle football be banned for youth under 14? Michiganders weigh in