This difficulty functioning in stressful situations can increase the difficulty of reintegration after deployment. Psychological trauma can lead to low frustration tolerance, poor anger management, difficulties with coping and self-regulation, and hypervigilance. Due to this, military personnel may have increased problems with interpersonal interactions with their families. Additionally, a recent study of recently returned veterans found that they had more physical symptoms, greater symptom severity, poorer general health, more sick visits, and more days missed work than their civilian counterparts (Hoge and his colleagues).,