What is PTSD? Post-traumatic stress disorder (PTSD) is a disorder in which a person, following or witnessing an extremely traumatic, tragic, or terrifying event continues to have persistent and debilitating thoughts and memories of the event well after. Not every person that has witnessed or experienced a traumatic event develops PTSD. People with PTSD usually have persistent frightening thoughts and memories of their ordeal and may feel emotionally numb or […]