The nature of police work may at times involve stressful situations such as the threat of, and actual, physical harm and witnessing the human toll of violence. The stress of the job combined with organizational stressors may severely impact police officers and their work. Stress can lead to substance misuse and disorders, trauma, and suicide. Police departments can address officer stress through interventions, such as counseling, peer support groups, and stress management training. This article summarizes literature on the effects of police officer stress and trauma. Police officers that embrace active coping styles may be better able to handle stress.