High school football rosters hit 10-year low amid concussion concerns – Boston Herald
California high school football: Concussions spike, participation drops – The Mercury News
Youth football participation on the decline amid safety concerns
Why high school football programs are losing players
Duerson Act' Would Ban Tackle Football for Illinois Kids Under Age 12, Chicago News
Youth football participation declines as worries mount about concussions, CTE
Amid Concern Over Concussions, High Schools Struggle to Fill Football Rosters - The New York Times
Youth football participation declines as worries mount about concussions, CTE
Youth tackle football on decline due to safety concerns
Is Football Dying? Behind the New York Times' Football Deep Dive - Game Plan