Heightened anxiety is a common persistent symptom after a concussion. A service member might not be aware of this new level of worry until he or she returns to civilian life. Army Veteran Adam Anicich talks about how problems with remembering added to his anxiety.

Big, Crowded Events Are Difficult After a Brain Injury

"One thing that I just try and do is not be too hard on myself…"

Anxiety is also one of the most common emotional changes in service members who have fought in Iraq and Afganistan, where many have experienced multiple tours of combat.

Concussions in Military Population Often Come with Anxiety

"Keep in mind that typically these concussions are the result of a terrorist activity, you have somebody who's also dealing with some anxiety issues…"