“…It undermines growth and development, compromises basic physiological functions like immunity, intensifies disease, and worsens mental health (eg, Evans & Kim, 2007;Lund et al, 2010;Martorell, 2017;Sapolsky, 2005). Lack of material wealth is a fundamental stressor in humans, both in terms of lack of access to basic needs, but also because of the low power and stigmatized social meanings attached (eg, Weaver, Tadess, Stevenson, & Hadley, 2019;Wutich & Brewis, 2014). In studies that treat poverty as a driver of biocultural variation, "poverty" is most often operationalized as lack of wealth within the cash economy (Hruschka, Hadley, & Hackman, 2017;Mulligan, Dixon, Joanna Sinn, & Elliott, 2015).…”