Not everyone who experiences trauma will develop Post-Traumatic Stress Disorder (PTSD)—but everyone with PTSD has experienced some form of trauma. PTSD is a mental illness that leads to disordered behaviors, thoughts and other signs and symptoms in the wake of a traumatic incident. "Trauma" can be any experience, acute or ongoing, that is scary, disturbing or intense, such as assault, war, abuse, natural disaster, admission to an intensive care unit, loss of a child during childbirth or a car accident. Like other mental illnesses, PTSD can have a tremendous impact on the person who has it as