“…Given the diversity of refugee populations, and, increasingly, of so-called “host” populations in an era of super-diversity 20 , there is no good reason to believe that the effects of context would operate any differently on migrant and non-migrant groups give careful consideration of causal models and mechanisms. We may, therefore, be able to use these studies as a lens and state that the identified negative effects of neighbourhood disadvantage and deprivation on physical health, mortality and child health 27,30,31,36,41,42,46 as well as the absence of effects of income inequality 34 apply to other human beings exposed to these contextual effects. This applies equally to other studies using natural experiments among migrants to study the effects of policy changes such as food stamp restrictions 47,48,52 .…”