Abstract
In the United States, health disparities have been framed by categories of race. Racial health disparities have been documented for cardiovascular disease, cancer, diabetes, HIV/AIDS, and numerous other diseases and measures of health status. Although such disparities can be read as symptoms of disparities in healthcare access, pervasive social and economic inequities, and discrimination, some have suggested that the disparities might be due, at least in part, to biological differences based on race. Or, to be more precise, if race itself has no determined biological meaning, race may nonetheless be a proxy that collects a group of individuals who share certain physiological or genotypic features that affect health