Dear colleagues!

We offer you a new issue of the Russian Journal of Psychiatry (2023, No. 5). The issue contains reports on various aspects of forensic, biological psychiatry, as well as clinical features of mental illness. Special attention is paid to the issues of child and adolescent psychiatry: the possibility of predicting mental disorders in minors using neural network data analysis is discussed; the results of the development of a comprehensive clinical and psychopathological model of suicidal behavior in adolescence with the identification of predictive suicide risk factors are presented. Of particular interest to readers may be an article devoted to various molecular targets with proven involvement in the occurrence of oncological diseases in terms of their potential significance in the development of mental disorders. The resolution of the scientific and practical conference with international participation "Innovative technologies in psychiatry and narcology: diagnosis, treatment, rehabilitation and organization of care", held in Yekaterinburg on September 28-29, 2023, has been published in open access for all readers.