In Social, demographic, and economic correlates of food and chemical consumption measured by wastewater-based epidemiology, published in the Proceedings of the National Academy of Science, a group of researchers in Australia and Norway present their analysis of a 2016 Australian sewage census, which sampled 22 waste-water treatment facilities and looked for 42 biomarkers.
The findings reveal that inequality can be detected in sewage. Wealthy people's shit has biomarkers for digested fresh fruits and veggies and grains, as well as higher doses of caffeine.
The poorer you are, the more likely it is that your waste contains biomarkers for antidepressants, opioids, and meds for neuropathy and blood pressure.
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