Dietary DNA in municipal wastewater reveals signatures of wealth, immigration, and coastal proximity
Proceedings of the National Academy of Sciences, Volume 123, Issue 31, August 2026. SignificancePoor diet is a leading driver of chronic disease worldwide, yet current dietary surveillance methods are costly, slow, and prone to bias. We introduce FoodSeq-FLOW (Food Landscape Observation in Wastewater), a DNA sequencing platform that ...
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