Scientific research featuring studies in behavioral and social sciences performed toward the goal of improving the quality of people's lives through healthy behavior, provided in the areas of understanding personality, promoting physical activity across the life span, cessation and treatment of tobacco, alcohol and other drug use, promoting healthy behaviors with interactive technology applications, advancing scientific research methods and analytic techniques, preventing and treating chronic illness, understanding and preventing problem behaviors and promoting optimal development in children and youth, and using virtual reality for education and rehabilitation