PURPOSE: Psychological stress is a significant health problem in veterans and their family members. Traumatic brain injury TBI and stress lead to the onset, progression, and worsening of several inflammatory and neurodegenerative diseases in veterans and civilians. ...Active military personnel and veterans are under enormous psychological stress due to various war related activities, including TBIs, disabilities, fear, new environmental conditions, lack of normal life activities, insufficient communications, explosions, military related noise, and health hazards. ...