Inclusion Criteria:  persons of Kazakh nationality having this ethnicity in the 3rd generation age from 18 to 65 years old; the dispensary in a psychiatric institution at the place of residence with a diagnosis of "Paranoid schizophrenia"; the duration of the disease is at least 1 year (from the moment of taking under dispensary supervision): absence of severe and chronic somatic diseases; absence of severe and chronic neurological diseases; absence of comorbid drug addiction pathology; signed informed consent to conduct this study  Exclusion Criteria:  persons of non-Kazakh nationality and Kazakh nationality, not confirmed until the 3rd generation age less than 18 years old and over 65 years old; those who are on dispensary registration in a psychiatric institution at the place of residence with a diagnosis not related to ICD-10 under the heading F20.0 "Paranoid schizophrenia"; having a disease duration of less than 1 year (from the moment of taking under dispensary supervision): having severe and chronic somatic diseases; having severe and chronic neurological diseases; having comorbid narcological pathology; not signed informed consent to conduct this study