Mortality and socioeconomic status: the vicious cycle between poverty and ill health

The link between mortality and socioeconomic status has echoed through the ages, and was graphically captured by the Preston curve, which showed the relation between life expectancy and income per person at the country level.1Preston SH The changing relation between mortality and level of economic development.Population Studies. July 1975; 29Crossref PubMed Scopus (871) Google ScholarInt J Epidemiol. 2007; 36: 474-490Crossref Google Scholar The...