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Is there a scientific connection between the gut and the brain?

The surprisingly charming science of your gut | Giulia Enders

May 17

The gut is the most important advisor for our brain because it is also our largest sensory organ, collecting information not only on the quality of our nutrients, but also on how our immune system and the hormones are doing. It packages this information and sends it to our brain. In fact, 90% of the nervous fibers that connect the gut and the brain, deliver information from our gut to our brain.