Vagal sensory neurons innervate parts of the head and neck area and respond to stretch, pressure and temperature. Therefore tactile stimulation in these regions possibly increases vagal nerve activity non-invasively. The vagal nerve is the main innervation of the heart within the parasympathetic system. A team of Swiss researchers has attempted to find out whether massage protocols in these specific areas are able to induce both a physiological and psychological state of relaxation. Health and disease are strongly linked to one’s psychological and physiological states.

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