What question did this study set out to answer?

To examine the relationship between urinary arsenic levels and chronic disease mortality.

November 17, 2025JAMA

Arsenic Exposure Reduction and Chronic Disease Mortality

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Authors

FWFen Wu AGAlexander Van Geen JGJoseph Graziano

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Implication

Prospective cohort study shows reduced arsenic exposure lowers mortality from cancer and chronic disease, indicating health benefits of clean drinking water.

Key Points

To examine the relationship between urinary arsenic levels and chronic disease mortality.
Prospective cohort design with 10,977 adults in Bangladesh
Tracked urinary arsenic levels over time until 2018
Analyzed mortality related to chronic diseases using hazard ratios
Mean urinary arsenic levels decreased from 283 to 132 µg/g creatinine from 2000 to 2018
Each IQR decrease in urinary arsenic linked to 22% lower chronic disease mortality
Significant reductions observed in cancer and cardiovascular disease mortality

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/692509eec0ce034ddc352b02 https://doi.org/10.1001/jama.2025.19161

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Implication

Prospective cohort study shows reduced arsenic exposure lowers mortality from cancer and chronic disease, indicating health benefits of clean drinking water.

Arsenic Exposure Reduction and Chronic Disease Mortality

Discussion

Member takes

Implication

Key Points

Cite This Study

Arsenic Exposure Reduction and Chronic Disease Mortality

Discussion

Member takes

Implication

Key Points

Cite This Study

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