The vagus nerve delivers a variety of signals between the digestive system and the brain. It travels from the brainstem down through the neck to the abdomen, innervating areas of the face, throat, ear, and heart, as well as the whole digestive tract.
Additionally, the vagus nerve is considered the main part of the parasympathetic nervous system. This system drives what’s often referred to as the body’s “rest and digest” state. So, for the digestive system to work at its best, the body needs to be in a relaxed state. (more…)