Study finds greater optimism for the future in countries at higher risk for disease Research from the University of Georgia found a more positive outlook for the future of humanity among people who live in areas with historically higher levels of disease. UGA Psychology's Brian Haas led the study, which was co-authored by Xiaobin Lou, fourth-year PhD candidate, and included contributions from more than 50 additional researchers worldwide. Read more about Study finds greater optimism for the future in countries at higher risk for disease