The first wealth is health. -Ralph Waldo Emerson PSYCHONEUROIMMUNOLOGY (PNI) The immune system's chief function is to prevent or limit infection, and as long as it's running smoothly, we will not know it's there. It quietly and efficiently does its job recognizing and neutralizing harmful substances from the environment and fighting disease-causing pathogens. Without our immune system, we would have no way of fighting off these harmful invaders. Decades ago, it was believed the immune system operated within itself rather than as the well-integrated system in constant communication with the brain and nervous system that we now know it to be. Not only do these systems communicate, but each affects the other in profound ways. Their synergy is both staggering and powerful and collectively coined psychoneuroimmunology , or PNI, for short. The PNI model comprises 3 major components: Psychological Neurological Immunological My interest in PNI began approximat...
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