The Vagus Nerve- Your Superhighway to Health
60:00 Suzanne Krowiak explains how the vagus nerve transports information between the brain and inner organs. Our breath stimulates the relaxation response. The vagus nerve is the longest nerve in our body and is connected to heart rate, mood, immune response and digestion.
From here I watched several videos from Jill Miller about the vagus nerve as well as seeing demonstrations of using the pilates ball to stimulate it's responsiveness in the body.