Gut Microbiota-brain Axis

INTRODUCTION The latest research showed that changes in gut microbiota could affect the brain’s physiological, behavioral, and cognitive functions.[15] In 2013, the United States launched a special research project on gut microbiota‑brain axis. Since then, this field, especially the interaction between gut microbiota and the brain, has gradually become the focus of neuroscience.[24] Although the exact mechanism of gut microbiota‑brain axis has not yet been fully understood and clarified, the evidence from animals and human studies has showed that gut microbiota can play an important role in brain behavior and cognitive development by producing hormones, immune factors, and metabolites, which also indicated that altering the gut microbiota may improve or even cure brain diseases.[614] The gut microbiota and the brain interact with each other, and the gut microbiota

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