She has conducted extensive research on psychological influences on the immune system, and on the relationship between optimism and well-being. Dr. Segerstrom s work has been funded by the National Institutes of Health, the Norman Cousins Program in Psychoneuroimmunology, and the Dana Foundation. She is also the 2002 winner of the Templeton Positive Psychology Prize for her work on optimism. She lives near Lexington, Kentucky, with her husband and their three dogs.