…And that Neurasthenia is a Psychiatric disorder, specifically a Somatoform disorder. The following journal article by Alegria et al. was cited in Jennie Spotila's blogpost today, "Balance = Experts + Information - Bias." This paper on Neurasthenia, below, contains this important quote: "Likewise, further research is needed to examine the concordance of neurasthenia spectrum disorders (e.g., ICD-10 neurasthenia, CFS, CCMD-2 and CCMD-3 [these last two are the two Chinese Criteria] for neurasthenia) across non-clinical, population-based samples across cultural contexts [cf. 21, 23]." [Emphasis added] "Prevalence of Neurasthenia, Comorbidity, and Association with Impairment Among a Nationally Representative Sample of US Adults" (2012) http://forums.phoenixrising.me/inde...impairment-among-a-nationally-represen.27105/ For this proposition, the authors cite the Pune, India study of neurasthenia spectrum disorders. I don't have access to the full article, but the abstract is damning enough: "Clinically significant fatigue or weakness is a common but understudied clinical problem in India...Alternative criteria sets used in different clinical contexts suggest a range of conditions constituting neurasthenia spectrum disorders (NSDs)...CFS, ICD-10 neurasthenia, DSM-IV draft criteria for neurasthenia, and CCMD-2 [ie Chinese Criteria] neurasthenia." This study was an attempt to see if the four "neurasthenia categories" mentioned, including CFS, were able to define idiopathic chronic fatigue well! Paralikar V, Sarmukaddam S, Agashe M, Weiss MG (2007) Diagnostic concordance of neurasthenia spectrum disorders in Pune, India. Soc Psychiatry Psychiatr Epidemiol 42:561–572 http://link.springer.com/article/10.1007/s00127-007-0196-x#page-1 I do not have access to the other study cited: Starcevic V, Kelin K, Munjiza M (1996) Characteristics of neurasthenia: examination and cross-cultural applicability of ICD-10 diagnostic criteria for research. Eur J Psychiatry 11:289– 297 Alegria repeatedly characterizes Neurasthenia as a Psychiatric disorder. In the final line of her Neurasthenia paper, Alegria calls Neurasthenia a Somatoform disorder: "Significantly, our study is timely given the attention being paid to the classification of somatoform disorders and comorbidity, as well as on the role of culture and social factors on the epidemiology of such disorders."