Traumatic brain injury (TBI) is hard to detect, and is sometimes called the "invisible injury." Ron Hayes and Nancy Denslow, both scientists at the McKnight Brain Institute and the founders of Banyan Biomarkers, have developed a blood-based test that will make TBI detection and treatment easier and faster.   One potential application is to detect brain injury in newborn infants. *This episode was originally released  on April 1, 2020.*