The DSM-5 has four main symptoms for people that have PTSD, they include: re-experiencing, avoidance, arousal, and negative alterations in cognitions and mood. To go in more detail, re-experiencing symptoms include: recurrent, intrusive distressing memories, recurrent distressing dream, and flashbacks in which the individual feels the events are reoccurring. Avoidance symptoms include, avoiding distressing memories, thoughts, or feelings, and avoiding external reminders that arouse distressing memories, thoughts, or feelings of trauma. Alterations in arousal symptoms include irritable behavior and angry outbursts towards people or objects, reckless or self-destructive behavior, exaggerated startle response, problems concentrating and sleep disturbance. Alterations in cognitions and mood symptoms include distorted thinking about the cause or consequences of the traumatic event, persistent negative emotional state, diminished interest in significant activities, feelings of detachment or estrangement and inability to experience positive emotions.…