Clear associations between certain bacterial species and higher cognitive function, while other species were associated with lower cognitive scores https://www.science.org/doi/10.1126/sciadv.adi0497 Unveiling the Gut-Brain Connection: New Insights into Health and Disease https://bnnbreaking.com/breaking-news/health/unveiling-the-gut-brain-connection-new-insights-into-health-and-disease/