Mild traumatic brain injury can happen to anyone, anytime in cars, sports, or workplace accidents, falls, or through physical assault, including domestic violence and shaken-baby syndrome. The National Center for Injury Prevention and Control estimates that 1.4 million Americans sustain a traumatic brain injury (TBI) each year, and that at least 5.3 million Americans currently have long-term or lifelong need for help to perform activities of daily...