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- Mar 25, 2024
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Fasting has been shown to result in dynamic changes in the human brain:
A recent study has uncovered striking connections between intermittent fasting, gut bacteria, and brain function.
Participants who engaged in intermittent fasting lost an average of 7.6 kilograms (16.8 pounds), but the benefits extended far beyond weight loss.
Brain scans revealed changes in regions that regulate appetite and addiction—especially the left inferior frontal orbital gyrus, a key player in food intake control. At the same time, stool and blood samples showed shifts in gut microbiota, with increases in beneficial bacteria like Coprococcus comes and Eubacterium hallii.
These changes suggest a powerful gut-brain connection: fasting appears to promote specific gut bacteria that produce compounds influencing brain activity tied to cravings and impulse control.
This bidirectional communication may help explain how dietary habits reshape not just the body but also decision-making related to food. Published in Frontiers in Cellular and Infection Microbiology, the findings add to growing evidence that intermittent fasting can enhance metabolic and cognitive health—not simply by cutting calories, but by reprogramming the gut-brain axis.
learn more Frontiers | Dynamical alterations of brain function and gut microbiome in weight loss
