Traumatic brain injury (TBI) is hard to detect, and is sometimes called the "invisible injury." Nancy Denslow, a scientist at the McKnight brain institute and cofounder of Banyan Biomarkers has developed a blood based test that will make TBI detection and treatment easier and faster Daughter of diplomat, was born and raised overseas in Mexico and Ecuador, and Turkey. "Petrified by Science" growing up her interest was changed by a great high school.