The return of neurasthenia.
D005060:Europe; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D009440:Neurasthenia / Q000266:history; D011570:Psychiatry / Q000266:history; D012924:Social Conditions; D013313:Stress Disorders, Post-Traumatic; D013315:Stress, Psychological; D009626:Terminology as Topic; D014481:United States