Download or read book The Psychological Immune System written by Herman Kagan, Ph.D. and published by Author House. This book was released on 2006-01-20 with total page 294 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book lays out the evolutionary, historical and scientific evidence that a psychological immune system exists and details how this system functions and the impact it has had on our personal, social and national life. It shows ways that it can be helpful in our attempt to identify and handle the threats and dangers that face us just as our biological immune system does. And, like our biological immune system, it has the potential to be both beneficial and lethal.