In the following Q&A, Joel Stoddard, MD, associate professor in the Department of Psychiatry at the University of Colorado School of Medicine, explains where our fears come from and how the new research and mathematical modeling will help strengthen exposure therapy, based on the individual patient's experience. He also explains how the research was made possible by strong collaboration across two University of Colorado campuses with Sarah Kennedy, Ph.D., and Sam Paskewitz, Ph.D., at CU Anschutz and Matt Jones, Ph.D., at CU Boulder.