In recent years researchers like Stephen Porges have brought a newfound understanding of the body's all-important polyvagal system to greater and deeper awareness. The tenth cranial nerve, or vagus nerve, has a great impact on the health of major organs (including the brain), and even direct impact on a human being's 'higher' functioning. Interestingly however, is the historic fact that the wandering nerve has also been the subject of research and speculation for hundreds of years, among the...