Troop Depression on Rise in Afghanistan

U.S. troop morale improved in Iraq last year, but soldiers fighting in Afghanistan suffered more depression as violence there worsened, an Army mental health report says.
And in a recurring theme for a force strained by its seventh year at war, the annual battlefield study found once again that soldiers on their third and fourth tours of duty had sharply greater rates of mental health problems than those on their first or second deployments.