Prolonged exposure therapy (PE) is an evidence-based cognitive-behavioral therapy for chronic posttraumatic stress disorder. Exposure in this sense means gradually facing trauma-related feelings, memories, and situations that are usually avoided because they trigger distress. This approach be helpful for individuals who have experienced various types of trauma including combat, sexual assault, violent physical assault, accidents, natural disasters, and other life-threatening events. Prolonged exposure therapy is designed to reduce trauma-related avoidance and help individuals overcome their fears and build resilience.