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By Aiden Lee February 1, 2021 Share this with FacebookShare this with TwitterShare this with LinkedInShare this with EmailPrint this (© Shutterstock) Widespread use of arsenic-contaminated water in Bangladesh during the 20 th century has been called by the World Health Organization the largest mass poisoning in history. A new study co-authored by Yale economist Mark Rosenzweig finds that, in addition to profound health impacts, high levels of arsenic retention has caused a significant decline in the productivity, cognition, and earnings of Bangladeshis. Throughout the second half of the century, Bangladesh began a nation-wide effort to switch their water sources to tube wells. These deep water wells that connect to underground aquifers were adopted in an effort to reduce the incidence of water-borne illnesses caused by using surface water sources. Years later, however, these tube wells were discovered to have been contaminated with arsenic in almost every Bangladeshi dis

United statesM nazmul hassanMark rosenzweigMark pittUniversity of dhakaFrank altschul professor of international economicsYale economic growth centerWorld health organizationBrown universityEconomic studiesFrank altschul professorஒன்றுபட்டது மாநிலங்களில்மீ நாஜ்முள் ஹாசன்குறி ரோசேஞ்சுவெக்குறி குழிபல்கலைக்கழகம் ஆஃப் டாக்கா