the question of the relationship between emotion and physical illness is one of the most important, and at the same time most contentious, issues in the behavioral sciences / one of the problems in this area is that research findings tend to be considered in isolation, without an overall theoretical conceptualization / [draw] upon recent reviews to establish certain basic points / present a general theoretical position—developmental interactionist theory—from which, it is argued, these findings can be related to one another in a coherent way / this position will be used to examine the following areas of application: the effects of life stress, the definition and measurement of the phenomenon of alexithymia and social support of illness, the relationship of individual differences and illness (PsycINFO Database Record (c) 2012 APA, all rights reserved)