World War I
Post-traumatic stress disorder (PTSD) is a mental health condition triggered by experiencing or witnessing a traumatic event. Symptoms include flashbacks, severe anxiety, and uncontrollable thoughts about the event. In the context of soldiers during the First World War, the brutal experiences of trench warfare led to many developing PTSD, affecting their ability to reintegrate into civilian life and posing challenges for military healthcare systems at the time.
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