Is reduced heart rate variability associated with functional somatic disorders? A cross-sectional population-based study; DanFunD

Conclusion
The study supports a sympathetic predominance in persons with FSD, which could not be entirely explained by chronic stress. However, it is not possible to conclude whether the association is a causal factor to or a consequence of FSD.

Source: BMJ Open - February 7, 2024 Category: General Medicine Authors: Jorgensen, T., Dantoft, T. M., Petersen, M. W., Gormsen, L., Winter-Jensen, M., Fink, P., Linneberg, A., Benros, M. E., Eplov, L. F., Bjerregaard, A. A., Schovsbo, S. U., Brinth, L. S. Tags: Open access, Epidemiology Source Type: research