Exercise can help 'combat' the effects of stress.
They have been 'combating' the rebels for months.
Some of these soldiers have never seen 'combat'.
(..) I want everyone in The Pit. Two minutes. There are two stages of training. The first is physical. Push your bodies to the breaking point and you'll master the methods of combat. The second is mental. Again, breaking point. You'll face your worst fears and conquer them unless they get you first. (..)2014 Divergent