This book offers a revision of health concept and discusses different meanings of health and illness. It begins with lay definitions and enactments and concludes with speculations about the influence of contemporary trends and technological changes in health. It also explains how people contribute to enact and define these nuclear concepts of health and illness.

It is structured in six chapters. The first one, “How is health defined?”, discusses the use of the definition of health as the opposite of illness. As the author points, this kind of restrictive definition is evidence of …