The gut-brain axis is a two-way information channel: the brain sends signals to the gut, and the gut sends signals back to the brain. When the body becomes inflamed, it releases an inflammatory hormone called cytokines into the blood. Any inflammation in the body, including leaky gut, will produce substantial quantities of cytokines. These cytokines travel throughout the body via the blood and transmit their message to virtually every cell, including cells in the brain. You see, cytokines signal