A brief summary of current research.
Zaloshnja, E, Miller, T, Langlois, JA & Selassie, AW Journal of Head Trauma Rehabilitation, Vol. 23, No. 6, pp. 394-400.
This study found that in 2005 an estimated 1.1 percent of the US civilian population — or 3.17 million people — were living with a long-term disability from TBI.