MERRILL SINGER is Emeritus Professor in the Anthropology Department at the University of Connecticut, USA, as well as Senior Research Scientist in the Institute for Collaboration on Health, Intervention, and Policy (InCHIP) at the University of Connecticut, USA. For his work in the field of medical anthropology, Professor Singer has been awarded a number of prestigious awards, including the Society for Medical Anthropology Career Award, and the Prize for Distinguished Achievement in the Critical Study of North America. He is the authorand editor of numerous publications on disease interactions, global warming and health, including the Wiley Blackwell Companion to the Anthropology of Environmental Health. PAMELA I. ERICKSON is Professor of Anthropology at the University of Connecticut, USA. Her research focuses on medical anthropology, maternal and child health, global health, and sexual and reproductive health of adolescents and young adults. She is fellow of the American Anthropological Association and the Society for Applied Anthropology, and has also served on the Governing Council of the Family and Reproductive Health Section of the American Public Health Association. CÉSAR E. ABADÍA-BARRERO is Associate Professor in the Anthropology Department and the Human Rights Institute at the University of Connecticut, USA. His research interests involve medical anthropology in Latin America as well as activist-oriented themes such as health and human rights, legal and moral issues in health, social science theory, and health inequalities.