TRACTs Program; Kathryn Bienfang, Dr. Bill Milberg, Dr. Catherine Fortier The Translational Research Center for TBI and Stress Disorders (TRACTS) is a RR&D National Center for TBI Research. Traumatic brain injury (TBI) is a very common injury in the OEF/OIF conflicts, and TBI can lead to a number of physical, cognitive, and emotional problems for Veterans. TRACTS follows Veterans on their journey to wellness.