The vagus nerve is the longest nerve in the body.  It runs from your brain stem and acts as an information highway - connecting the brain with your organs. Stretching all the way down to the torso like a system of roots or cables it controls a huge range of bodily functions.⁠  It's known as being responsible for the mind-body connection and playing negotiator between thinking and feeling.⁠          Nervous for a test, anxious about that big game, stressed about school.  For ways to calm the vagus nerve....