Switzerland A WHO collaborating center for bioethics, the Center for History and Ethics of Public Health provides expert consultation on bioethical questions. United Kingdom Y. Claire Wang leads a research program on trends in childhood obesity. France A project teaches the public about slavery in its ancient and modern forms by reconstructing a slave ship. Poland A study assesses the impact of prenatal exposure to air pollution on neurobehavioral development and respiratory health of children. Hungary A research project analyzes data related to the social and risk networks of young injection drug users in Budapest. More Countries We're working on projects in 10+ countries in Europe.