Leanne Nieforth, Purdue University and Marguerite E. O’Haire, Purdue University As many as 1 in 5 of the roughly 2.7 million Americans deployed to Iraq and Afghanistan since 2001 are experiencing post-traumatic stress disorder. PTSD, a mental health problem that some people develop after experiencing or witnessing a life-threatening traumatic event, is a complex condition […]