Link below: my emphasis.
Thirty percent of U.S. troops returning from the Iraq war have developed stress-related mental health problems three to four months after coming home, the Army’s surgeon general said Thursday.
The problems include anxiety, depression, nightmares, anger and an inability to concentrate, said Lt. Gen. Kevin Kiley and other military medical officials. A smaller number of troops, often with more severe symptoms, were diagnosed with post-traumatic stress disorder, or PTSD, a serious mental illness.
http://www.msnbc.msn.com/id/8743574/