The brain, weighing only a few pounds, doesn't require a lot of trauma to cause serious injury.
A brain injury can severely affect how a person thinks, feels, remembers, and responds.
Reports have shown a 60% increase of children visiting the emergency department for traumatic brain injuries.
The study found that sports such as bicycling, football, and playground activities lead to such injuries.
Head injuries related to football account for 57% of trauma-related sports deaths among youths.