Refractory psychological distress was cited in 18.7% of patients, but the majority of this group (37 of 50 patients) also presented with physical refractory symptoms, the researchers comment.

研究者评论说，18.7%的患者是因为顽固的心理学痛苦，但是大多数患者(50名患者中的37名)是因为难治疗的生理上的症状。

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Along with anything else that reminds a person of the trauma, these intrusive memories produce profound psychological distress and physical symptoms, such as a pounding heart.

CNN: PTSD: Know the symptoms and when to get help