Quote from : What's Behind Your Belly Button? A Psychological Perspective of the Intelligence of Human Nature and Gut Instinct Book

Our immune system is evolving through trials of use in fighting illnesses and the bombardment of our modern world toxins and that this evolution not only engages the strengthening of the body and it’s T-Cell use but also our emotional intelligence and a higher awareness of our human nature and its original DNA coding as a highly self-reflective and intelligence evolving entity.