US Soccer ban heading the ball for children over fears of concussion and head injuries, The Independent

Children aged 10 and under will not be allowed to head the ball while 11 to 13 year-olds will have headers limited in training

Football: How dangerous is heading the ball?

Brain Injuries in Sport: The Invisible Killer - Sports Integrity Initiative

FIFA's CTE Problem: Are Soccer Regulators Doing Enough to Prevent Brain Injuries?

Would Banning Headers In Soccer Solve The Concussion Problem? : Shots - Health News : NPR

The California Youth Football Alliance Stands with our Tackle Football Community in Massachusetts — California Youth Football Alliance

Does heading a football lead to brain damage? It's complicated

Premier League and EFL footballers limited to just 10 'high-force' headers a week

US Soccer moves to ban heading to stave off concussions in youth football

Concussion - latest news, breaking stories and comment - The Independent

Concussions in the NFL: How Worried are You?

Debate still follows U.S. Soccer's decision to ban headers

Not on me head, son – is heading a football a health hazard for kids?, Health & wellbeing

Heading the ball to be banned for children under 11