If thoughts and feelings from a life-threatening event are upsetting you or causing problems in your life, you may have PTSD. According to the National Center for PTSD, post-traumatic stress disorder is a mental health condition that can occur after somebody has experienced a traumatic event. Going through a traumatic experience can actually affect areas of the brain, especially depending on when the trauma happened during development.  PTSD can occur in all people, of any ethnicity,...