Neighborhood Social Ecology and Health: Street Life Potential and BMI among Urban Youth • Christopher Browning, Ohio State University ; Catherine Calder, Ohio State University

Teenagers' Smoking Trajectories from Adolescence to Emerging Adulthood • Yen-hsin Alice Cheng, Pennsylvania State University

Race/Ethnic Disparities in Childhood Obesity: Environmental Influences • Sally C. Curtin, University of Maryland ; Suzanne Randolph, University of Maryland ; Wakina Scott, University of Maryland

Inequality and Infant Health: A Multilevel Approach to Disentangling Correlates of Metropolitan/Nonmetropolitan Disparities in Low Birth Weight Infants • P. Johnelle Smith, Pennsylvania State University