The gut and brain constantly communicate through the gut-brain axis, a two-way network involving the vagus nerve, hormones, immune signals, and trillions of gut microbes. Research suggests that a diverse and healthy microbiome may influence mood, stress, sleep, memory, and cognitive function. Imbalances in gut bacteria have been associated with anxiety, depression, brain fog, and are being studied for possible links to neurological conditions. Experts recommend supporting gut health through a fibre-rich diet, fermented foods such as curd, regular exercise, adequate hydration, quality sleep, and stress management. Limiting ultra-processed foods and avoiding unnecessary antibiotics may also help maintain a healthier gut microbiome.
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