Published online Nov Zhang ,2,5 Mark S. Find articles by Yongzhan Nie Yi Edi. Find articles by Mark S. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license http:
The Problem How big is the problem? In , 2, teens in the United States ages 16—19 were killed and , were treated in emergency departments for injuries suffered in motor vehicle crashes. In , young people ages represented 6. The risk of motor vehicle crashes is higher among year-olds than among any other age group.