Natural Help For PTSD, Anxiety and Stress Post-traumatic stress disorder is a severe psychiatric disorder that brings intense suffering. But there is little conventional medicine can do. That may not be true of nature. Post-traumatic stress disorder (PTSD) is caused by severe trauma. It severely impacts quality of life by causing terrible memories and dreams, bad sleep, dissociative reactions, avoidance, fear and mood and cognitive disturbances. Pharmaceutical treatments have proven to be only moderately effective and come with high dropout rates. Nature