Studying an ecological system is a complex and difficult process. Studying a fossil ecology is even more difficult. There are few fossil deposits containing not only most of the organisms originally present, but also preserved well enough to make...
Post-traumatic stress disorder -- United States; Veterans -- Mental health -- United States; War -- Psychological aspects; Post-traumatic stress disorder -- Risk factors
Post-traumatic Stress Disorder (PTSD) affects thousands of veterans returning from deployments worldwide. The purpose of this study is to investigate the relationship between PTSD and geography, examining whether there is a relationship between the...