This book is an effort to integrate some clinical observations, theoretical concepts, and promising clinical procedures that relate psychological variables to physiological variables. My primary emphasis is on what psychological and behavioral concepts and procedures are most likely to enable us to influence physiological functions. The book covers ques tions that have fascinated me and with which I have struggled in daily clinical practice. What types of people are most at risk for physical disor ders or dysfunctions? Why do some people present psychosocial con flicts somatically and others...