Life Stressors and Neuroendocrine Allostatic Load in Costa Rica • Omer Gersten, Academia Sinica ; William H. Dow, University of California, Berkeley

Genetic Ancestral Markers, Social and Cultural Context and Race/Ethnicity Identity • Guang Guo, University of North Carolina at Chapel Hill ; Yilan Fu, University of North Carolina at Chapel Hill

Biodemography of Exceptional Survival: Lessons from Longitudinal Data • Anatoliy I. Yashin, Duke University ; Svetlana V. Ukraintseva, Duke University ; Konstantin G. Arbeev, Duke University ; Alexander Kulminski, Duke University ; Liubov Arbeeva, Duke University ; Irina V. Culminskaya, Duke University

Minimally Invasive Collection of Plasma in the Field: Evaluation and Early Findings on Adult Health from Malawi • Beth J. Soldo, University of Pennsylvania ; Philip A. Anglewicz, University of Pennsylvania