Article Correctness Is Author's Responsibility: A gut-to-brain circuit drives sugar preference and may explain sugar cravings

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This shows a brain sliceSweet tasting foods don't only trigger the taste buds, they also switch on a neurological pathway that begins in the gut. In the intestines, signals of sugar ingestion travel to the brain, sparking an appetite for more sweet foods. However, this pathway only responds to sugars, not artificial sweeteners.