Do drinking-water investments save lives?

Linking US federal drinking water investments to Medicare records finds lower mortality among older Americans and a benefit-cost ratio above 20

Does cleaning up drinking water save lives? New paper: We link US federal drinking water investments to Medicare records and find they reduce mortality among older Americans, with benefit/cost ratio >20. Thread on what we did... w/ @Dav

Ranked #14 on backlist 2026-06-10 (10 Jun 2026 UTC) · by @davidmolitor (David Molitor) · view on X ↗

How it ranks: Backlist reads my Twitter/X timeline, scores every tweet for substance with an LLM rubric (not engagement), and publishes the daily top picks with a one-line takeaway. Curated by Surya Dantuluri.