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PTSD is marked by clear biological changes as well as psychological symptoms. PTSD is complicated by the fact that people with PTSD often may develop additional disorders such as depression, substance abuse, problems of memory and cognition, and other problems of physical and mental health.
A new study has found that some Vietnam veterans still have symptoms of post-traumatic stress disorder (PTSD) decades after the end of that divisive war. A new study has found that some Vietnam veterans still have symptoms of post-traumatic stress disorder (PTSD) decades after the end of that divisive war.