Psychosomatic medicine is the branch of medicine that is concerned primarily with the interrelationships among biological, psychological, and social factors in health, illness, and disease. Psychoanalysis and psychology have both contributed extensively to the exploration of these relations, in particular through their attempts to identify personality variables that protect against, or contribute to the predisposition to, initiation of, and maintenance of disease; and devise and evaluate psychological treatments for physically ill patients. In this chapter I focus 464