This fully-updated third edition provides systems-based methodologies and innovative technologies that can be used for solving complicated problems of complex systems. A wide range of theoretical and experimental approaches are introduced for practical applications, as the content explores the basic and novel concepts in psychoneuroimmunology (PNI), especially the relationships among stress, inflammation, and psychophysiological disorders, as well as various cutting-edge technologies and methods for PNI studies, including the utilizations of mouse models and vaccine models.