Dossier
Jason Fletcher
Coverage of Jason Fletcher in the Nexus archive.
- Filtered water at specific ages could add months to your lifespan decades later, new study finds
A study published in the American Journal of Health Economics found that exposure to water filtration systems in early life increased the lifespan of older American men by an average of 3.2 months. Researchers linked historical water filtration data to death records, showing long-term health and socioeconomic benefits from childhood access to clean water.