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PROLOGUEDisparities And PolicyPROLOGUE: The World Health Organization has consistently found that the United States spends a higher proportion of its gross domestic product on health than any other country. New data indicate that this distinction remains relatively free from challenge. Katharine Levit and colleagues recently reported in Health Affairs (Jan/Feb 02) that U.S. health spending, in the midst of a multiyear run of "accelerated growth," topped $1.3 trillion in 2000. Yet for such massive capital investment, the U.S. health care system has persistently failed to earn better than mere middling marks when U.S. health indicators are evaluated on a global scale. This seeming disconnect between investment and achieved outcomes has reenergized the ongoing national conversation assessing the wisdom of allocating greater resources toward investment in factors outside traditional health care delivery, including socioeconomic status, education, behavior, and environment, deemed to greatly influence population health. Such discourse has spurred a growing awareness that such nonmedical issues do play a substantial role in the achievement of desirable health outcomes. The papers that follow explore the role of public policy in leveraging the potential of nonmedical health determinants to improve the health of the populationparticularly those segments consistently alienated from the health care establishment. First, J. Michael McGinnis, Pamela Williams-Russo, and James Knickman provide insight into obstacles that have heretofore thwarted the commitment of sufficient political will and resources to nonmedical determinants, while proposing policy-related strategies intended to encourage disease prevention and health promotion. Next, Nicole Lurie proposes specific steps that federal decisionmakers might take to bridge the impasse separating rhetoric from action with respect to harnessing forces outside the conventional health care arena to improve health indicators. John Lavis and Leonard Syme, Bonnie Lefkowitz, and Barbara Krimgold provide perspectives on this topic.
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