Psychiatric disorders frequently co-occur with endocrine, nutritional, and metabolic disorders, complicating diagnosis, treatment, and prognosis. To date, no umbrella review (UR) has summarized the corresponding evidence. We conducted a UR of meta-analyses of observational studies reporting the prevalence and outcomes of comorbid endocrine, nutritional, metabolic, and psychiatric disorders (DSM/ICD criteria, PubMed/Medline/Scopus/Embase/Web of Science, 13/10/2025). Meta-analytic prevalence and…
