This volume argues the case that public health communication has affected health behavior. It brings together 16 studies of large-scale communication in a variety of substantive health areas--tobacco, drugs, AIDS, family planning, heart disease, childhood disease, highway safety--prepared by the authors who did the original research. These studies show important effects and illustrate the central conditions for success. The book also includes complementary analytic chapters which provide a meta-analysis of published results, some approaches to developing communication interventions, and...