Challenging Inequities in Health, was conceived as a response to the following: 1. Concerns about widening “health gaps” both between and within countries; 2. A disproportionate research focus on inequalities in health in the “North” to the relative neglect of the “South”; and 3. Inadequate analytic tools and pragmatic policies to redress health inequities. Through a collective effort of researchers and practitioners called the Global Health Equity Initiative (GHEI), a set of in-depth country studies and conceptual analyses on health equity ...