With this issue, Preventing Chronic Disease (PCD) begins its second year of publication. The expertise and enthusiasm of our authors, editors, reviewers, and board members enabled PCD to provide our readers with a unique view of public health and chronic disease in 2004: Peer-reviewed articles of original research, community case studies, literature reviews, and special topics in public health. Guest editorials and commentaries by recognized authorities such as Leonard Syme of the University of California, Berkeley; George Hardy, Jr, of the Association of State and Territorial Health Officials; David Katz of Yale University; Adrian Bauman of Sydney University; and Jane Fountain of Harvard University. Educational information for prof...