There is a new paper out of possible interest. Source: Stagaman K, Cepon-Robins TJ, Liebert MA, Gildner TE, Urlacher SS, Madimenos FC, Guillemin K, Snodgrass JJ, Sugiyama LS, Bohannan BJM. 2018. Market integration predicts human gut microbiome attributes across a gradient of economic development. mSystems 3:e00122-17. https://doi.org/10.1128/mSystems.00122-17.     Abstract: Economic development is marked by dramatic …