""Community-Based Participatory Research (CBPR) has become the preferred model for conducting research in communities. Most scientists who conduct such research now recognize that working in partnership with the community is preferable, and more ethical, than conducting research on a community . As Surgeon General of the United States, I direct a number of programs aimed at encouraging Americans to avoid tobacco, engage in physical activity, consume more nutritious diets, and protect their health in other ways. We need more effective methods to persuade, motivate, and enable individuals...