Everything published by PLoS Medicine is Open Access: freely available for anyone to read, download, redistribute and otherwise use, as long as the authorship is properly attributed.This week PLoS Medicine publishes a special collection of articles that aim to highlight the profound influence of poverty upon health, as part of the Council of Science Editors’ Global Theme Issue on Poverty and Human Development (http://www.councilscienceeditors.org/globalthemeissue.cfm):