He died of brain injuries two days later in the hospital.
Of those, about 60 die each year from their brain injuries.
The activities of daily living can be a challenge for those with a brain injury.
But experts say this kind of impact is not usually enough to cause a brain injury.
One study looked at 100 patients with severe brain injury.
He died of brain injuries two days later, aged 25.
But he has clearly become more vulnerable to brain injuries.
This can result in severe brain injury and other health problems.
Being active again too soon increases the person's risk of having a more serious brain injury.
This test is the most used when it comes to identifying children with brain injuries.