Traumatic brain injury (TBI) is defined as any external, mechanical force applied to the brain that results in dysfunction or injury. TBI can occur from any blow or jolt to the head or body, or from any penetrating injury to the skull. (1) There are an estimated 1.7 million TBIs in the United States annually, resulting in 1.37 million emergency room (ER) visits, 275,000 hospitalizations, and 52,000 deaths. (2) Those at greatest risk for exposure to a TBI are children aged newborn to 4 years, young adults aged 15–24 years, and older adults aged 75+ years. (1) Males were found to be twice as likely to sustain a TBI as females, with prevalence ranging from 12–16.7% in males and 8.5% in females. (3)