Vagus Nerve Signaling: The Gut-Brain Superhighway
When you have a ”gut feeling”, you’re not imagining things, your nervous system is actually listening and trying to get your attention. One of the best ways your gut talks to your brain is through the vagus nerve which is a long, wandering nerve that connects your digestive tract to your brainstem. But what most people don’t realize is that around 80% of vagus nerve fibers are afferent, meaning they carry signals from the gut up to the brain, not the other way around! When Vagal Signaling Is Working Well… In a healthy gut, vagal afferent fibers, which are [...]