4 exercises to stimulate your vagus nerve 👆 The vagus nerve serves as the body’s expressway, carrying data between the brain and other organs. It is an essential part of the parasympathetic nervous system, responsible for the body’s “rest and digest” response, which counterbalances the “fight or flight” response. A healthy vagal tone is key for emotional resilience, healthy social connections, and robust physical health. Those with low vagal tone experience low mood, digestive issues, inflammat