Mariusz Suchcicki, Karol Krupiniewicz, Marta Brzęcka, Stanisław Rogiński, Antoni Liebert, Natalia Kmiecik, Kamil Sobolewski, Amadeusz Furmanek, Marek Wojciechowicz, Miłosz Rogiński and Martyna Susek 2026. THE MICROBIOTA–GUT–BRAIN AXIS IN MENTAL HEALTH: MECHANISMS, CLINICAL EVIDENCE, AND EMERGING THERAPEUTIC STRATEGIES. International Journal of Innovative Technologies in Social Science. 1(49) (Jan. 2026). DOI:https://doi.org/10.31435/ijitss.1(49).2026.4913.