Another area of research among BSS faculty is obesity, nutrition (including breastfeeding), and physical activity. Faculty research in this area involves multilevel community-based interventions, with a particular focus on enhancing health equity and reducing racial and ethnic disparities for underserved populations.  Other areas of emphasis include identification of social, cognitive, and affective mediators and moderators of intervention effects, sophisticated statistical modeling of behavior change, and issues related to dissemination of efficacious interventions.