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Thinking upstream was first introduced into the nursing vernacular in 1990 with the goal of advancing broad and context-rich perspectives of health. Initially invoked as conceptual framing language, upstream precepts were subsequently adopted and adapted by a generation of thoughtful nursing scholars. Their work reduced health inequities by redirecting actions further up etiologic pathways and by emphasizing economic, political, and environmental health determinants. US health care reform has fostered a much broader adoption of upstream language in policy documents. This article includes a semantic exploration of thinking upstream and a new model, the Butterfield Upstream Model for Population Health (BUMP Health).
