psychiatric epidemiology

Who stands most at risk of PTSD? A new study of PTSD in US veterans of the current Iraq and Afghanistan wars suggests that you can identify the most vulnerable -- soldiers who stand 2 to 3 times the risk of their peers -- with fairly simple measures of mental and physical health.   The study, conducted by the U.S. Navy's Tyler Smith and collegues, is part of an ongoing longitudinal study of over 150,000 U.S. soldiers. The Millennium Cohort Study began collected comprehensive health data on U.S. soldiers in 2001. This study draws on that data to compare health status before deployment to Iraq…