Why do socially disadvantaged populations have worse health?

A striking and recurrent pattern in the epidemiologic literature is the link between social status and health status. Yet variations and exceptions have also been noted which may inform our understanding of which public health actions would ameliorate or exacerbate health disparities.
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Author(s): NE Adler, K Newman
Publication: Health Affairs
Year published: 2002
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Author(s): PA Braveman, C Cubbin, S Egerter, S Chideya, KS Marchi, M Metzler, S Posner
Publication: Journal of the American Medical Association
Year published: 2005
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Author(s): N Krieger, JT Chen, PD Waterman, DH Rehkopf, SV Subramanian
Publication: American Journal of Public Health
Year published: 2003
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Author(s): S Macintyre
Publication: International Journal of Nutrition and Physical Activity
Year published: 2007
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Author(s): JP Mackenbach, MJ Bakker
Publication: The Lancet
Year published: 2003
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Author(s): M Marmot
Publication: The Lancet
Year published: 2005
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Author(s): JC Phelan, BG Link, A Diez Roux, I Kiwachi, B Levin
Publication: Journal of Health and Social Behavior
Year published: 2004
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Author(s): DR Williams, C Collins
Publication: Public Health Reports
Year published: 2001