The original version of the paper A Theory of Cure, published on, has been updated twice since its first publication. My understanding of cure continues to evolve. The foundation for these concepts comes from studies of Healthicine: The Arts and Sciences of Health and Healthiness which studies health beyond the current concepts of medicine and alternative medicine. It is an expansion and update of the research paper A Theory of Cure, first published in November 2019, based on the concepts published in the book: The Science of Cure, and the paper A Definition and Exploration of Cure, Kolenchuk, 2018. It is a product of several years of research that has taken many directions, explored many concepts, and resulted in several publications. The material is an excerpt of the book A Theory of Cure, a comprehensive theory of illness and cure covering every curable illness and disease.