Wiktoria Urowska et al. 2026. THE GUT–BRAIN AXIS IN THE DIGITAL ERA: CAN PSYCHOLOGICAL STRESS FROM ONLINE ENVIRONMENTS ALTER THE MICROBIOME?. International Journal of Innovative Technologies in Social Science. 1, 2(50) (May 2026). DOI:https://doi.org/10.31435/ijitss.2(50).2026.5441.