Edward H. Wagner introduces the six elements of the Chronic Care Model he and his colleagues have developed.  The Chronic Care Model is a new paradigm for the better care of the chronically ill with applications in quality improvement, policy development and research. This lecture was taped at the 2004 Epidemiology, Biostatistics and Clinical Research Methods Summer Session co-sponsored by the Seattle VA Epidemiologic Research and Information Center (ERIC) and the University of Washington. From the Series:Epidemiology: Research in Improving Chronic Illness Care