title: Commentary: understanding it all--health, meta-theories, and mortality trends.
authors.affiliation: Department of Social Medicine, University of Bristol.
authors.forename: G D
authors.initials: GD
authors.lastname: Smith
authors.forename: M
authors.initials: M
authors.lastname: Egger
mesh_terms: D006304:Health Status; D006801:Humans; D007182:Income; D008136:Longevity; D009026:Mortality / Q000639:trends*; D011203:Poverty; D012959:Socioeconomic Factors