International comparisons of industrialized countries show that those with a higher ratio of social service spending relative to health care spending have better health outcomes. This finding is consistent with decades of research underscoring the importance of social, behavioral, and environmental factors on health outcomes. This report, prepared by a team led by Elizabeth Bradley and Lauren Taylor of the Yale Global Health Leadership Institute, examines the link between state-level spending on health care and social services and health behaviors and outcomes for Massachusetts compared with neighboring states and national averages.