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چکیده
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Chronic stress can negatively affect cognitive ability, behavioral functions, and gut microbiota balance. The gut microbiota communicates with the brain through the gut-brain axis to influence brain responses and behavior. The positive effects of psychobiotics and para-psychobiotics (viable and non-viable probiotics, respectively) on decreasing stress and stress-related disorders have been approved, previously. It has been suggested that the benefits of such probiotics are provided through different probable routes including the hypothalamic-pituitary-adrenal (HPA) axis, the immune system modulation, and the production of neurotransmitters. The recent review aims to explore the different potentials of psychobiotics and para-psychobiotics based on recent litera ture. The recent literature revealed that psychobiotics and para-psychobiotics could be considered as an alternative to psychotropic drugs which present dependence and side effects compared to chemical drugs.
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