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

Under-12s will be banned from heading footballs in bid to stop brain injuries - Mirror Online

Revealed: Footballers five times more likely to suffer from Alzheimer's disease, landmark study finds

The UEFA Heading Study: Heading incidence in children's and youth' football (soccer) in eight European countries - Beaudouin - 2020 - Scandinavian Journal of Medicine & Science in Sports - Wiley Online Library

Football: How dangerous is heading the ball?

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

Football: How dangerous is heading the ball?

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

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

Banning Headers in Youth Soccer will Increase Concussions – Breaking The Lines

Why is heading the ball so dangerous for youth soccer players?