Probiotics, specifically the strain Lactobacillus rhamnosus GG, could potentially help prevent cognitive decline in aging individuals. A three-month study provided participants with mild cognitive impairment with this probiotic and observed improvements in cognitive performance and changes in their gut microbiome. These findings suggest that manipulating the gut microbiome could be an effective method for enhancing cognitive function in those with mild cognitive impairment. If further research confirms these results, it could lead to groundbreaking preventive approaches in cognitive health that focus on the gut microbiome.

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