How common are traumatic brain injuries?

A traumatic brain injury (or “TBI”) is a serious public health problem in the United States according to the Centers for Disease Control.  According to the CDC’s research, each year, TBI contributes to a significant number of deaths or permanent disability in the United States.  It is estimated that, each year, at least 1.7 million TBI’s occur in the U.S., most of which are considered “mild” traumatic brain injuries caused by a concussion.