Abigail Bretzin is a Research Investigator and member in the Department of Emergency Medicine and member of the Michigan Injury Prevention Center. Before joining U-M, Dr. Bretzin completed her postdoctoral research fellowship at the University of Pennsylvania, gaining advanced training in epidemiology. During her postdoctoral studies, she also completed NIH funded training programs in sleep (T32 HL 007713) and traumatic brain injury (T32 NS 043126). Dr. Bretzin earned her PhD in Kinesiology at Michigan State University.

Dr. Bretzin’s research includes primary, secondary, and tertiary prevention of traumatic brain injury (TBI), specifically sport-related concussion. Her research examines the epidemiology of concussion and TBI, related health disparities, and long-term outcomes of the injury and repetitive head impact exposure. Dr. Bretzin is also a member of the Data Coordinating Core of the Ivy League – Big Ten Epidemiology of Concussion Study, leading analyses and study dissemination activities. Her research also engages under-represented communities, with attention to male and female differences in sport-related concussion incidence and outcomes.