Young football player making a tackleRecent evidence indicates that children and adolescents are more vulnerable than adults to poor outcomes following a head impact. They suffer prolonged recoveries after concussions, and repetitive subconcussive blows may cause long-term damage.

Youth football players aged 9-12 can incur an average of 240, and up to 585, head impacts each season. The magnitude of these impacts parallel those experienced by high school and collegiate football players, several of which exceed 80g.

Source: Neurology, March 2015