“…A large literature shows that those of low socio-economic status are characterized by worse health than their better-off counterparts and that differences in health often originate in childhood and even earlier, in the newborn period (see Case, Paxson and Lubotsky, 2002; Deaton, 2002; Cutler, Deaton and Lleras-Muney, 2006 and references therein). Explanations of the gradient include differences in access to medical care, health behaviors (such as smoking and drinking), time preferences, and social status\stress.…”