The document discusses post-traumatic stress disorder (PTSD) and its causes, symptoms, diagnosis, and treatment. It states that traumatic events like terrorism, natural disasters, and witnessing horrific events can cause PTSD. Over 260,000 people were estimated to develop chronic PTSD after Hurricane Katrina, and over 40% of first responders in Louisiana developed PTSD. The document emphasizes that the quicker PTSD is diagnosed and treated, the lower the risk of it becoming chronic.