![[Youth football players]](http://cdn1.medicalnewstoday.com/content/images/articles/313/313590/youth-football-players.jpg)
After just one season, youth football players with greater head impact exposure showed changes to white matter of the brain.
It is estimated that around 30 million children and adolescents in the United States take part in some form of sports.
While such participation has clear health benefits, the risks cannot be overlooked; each year in the U.S.