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Title: Arsenic Contamination of Drinking Water and Mental Health

Author(s): Shyamal Chowdhury, Annabelle Krause and Klaus F Zimmermann

Publication Date: December 2015

Keyword(s): arsenic, Bangladesh, environment, mental health, subjective well-being and water pollution

Programme Area(s): Labour Economics

Abstract: This paper investigates the effect of drinking arsenic contaminated water on mental health. Drinking water with an unsafe arsenic level for a prolonged period can lead to arsenicosis, which includes symptoms such as black spots on the skin and subsequent illnesses such as various cancers. We collected household survey data from Bangladesh, a country with wide arsenic contamination of groundwater to construct several measures for arsenic contamination that include the actual arsenic level in the respondentís tubewell (TW) and past institutional arsenic test results, as well as collected household membersí arsenicosis symptoms and their physical and mental health. We find that suffering from an arsenicosis symptom is strongly negatively related to mental health, even more so than from other illnesses. Furthermore, individuals drinking from an untested TW have lower mental health and having to walk a longer distance to a TW also decreases mental health. Calculations of the costs of arsenic contamination reveal that the average individual would need to be compensated for suffering from an arsenicosis symptom by an amount as high as the average annual household income.

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Bibliographic Reference

Chowdhury, S, Krause, A and Zimmermann, K. 2015. 'Arsenic Contamination of Drinking Water and Mental Health'. London, Centre for Economic Policy Research. http://www.cepr.org/active/publications/discussion_papers/dp.php?dpno=10978