Mothers gift not just life but also a microbial profile to their babies, i.e., for vaginally delivered babies, these communities resemble the specific microbial communities found in the mother’s birth canal; for babies delivered by caesarean section, the communities resemble the skin communities of the mother. These gut microbiota, via a complex bidirectional communication system, interact with the Central Nervous System, the enteric nervous system, and the hypothalamo-pituitary-adrenal axis (HPA) (cognitive and emotional centers), referred to as the Gut-Brain axis. Though in contemporary societies microbes have a strong negative connotation and are viewed in a warlike context, not all are harmful but beneficial and indeed crucial for a normal healthy life. As many ongoing research studies link the pathogenesis of various diseases to altered gut microbiota, many studies on the other hand show dramatic recovery with faecal microbiota transplantation, confirming the earlier.
Key words: faecal microbiota transplantation; gut-brain axis; gut microbiota; HPA axis
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