Inclusion Criteria:  The research included individuals aged 18 years and older, who were not pregnant or breastfeeding, without any psychological disorder diagnosed by psychiatry, without diagnosis of COVID-19 and not using any psychiatric medications. The MetS group for the research included individuals with metabolic syndrome diagnosis according to IDF-2005 diagnostic criteria. The non MetS group in the research included healthy individuals not using any psychiatric medications, without any chronic disorder, and with similar BMI to the individuals in the subject group.  Exclusion Criteria:  The research included individuals aged 18 years and older, who were pregnant or breastfeeding, with psychological disorder diagnosed by psychiatry, with diagnosis of COVID-19 and using psychiatric medications.