Wednesday, 22 June 2022, 13:00 at Virtual (see abstract for Zoom link) – Microbiome-gut-brain axis may be involved in the progression of age-related cognitive impairment and relevant brain structure changes, but evidence from large human cohorts is lacking. We aimed to investigate the associations of gut microbiome with cognitive impairment and brain structure based on multi-omics from three independent populations. We included 1430 …