It sure looks like we are close to getting out of the dark ages of "functional" or "bio-psycho-social" medicine as it applies to fibromyalgia. https://www.ncbi.nlm.nih.gov/pubmed/28490352 BMC Neurol. 2017 May 11;17(1):88. doi: 10.1186/s12883-017-0863-9. A diagnostic biomarker profile for fibromyalgia syndrome based on an NMR metabolomics study of selected patients and controls. Malatji BG1, Meyer H2, Mason S1, Engelke UFH3, Wevers RA3, van Reenen M1, Reinecke CJ4.