Our study highlights three main risks: i) We observed an increased risk of overall stroke mortality with increasing arsenic concentration in drinking water, with a significant trend test and risks in the range of 1.03-1.75 for the high arsenic groups ii) These risks were particularly marked in women rather than men and iii) These risks were also particularly marked for outcomes coded as sequelae of stroke, with increased risks, e.g. 1.64 (95% CI: 1.08-2.53) even at arsenic concentrations of 10-50 μg/L which are within the WHO permissible limit.
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A prospective cohort study of stroke mortality and arsenic in drinking water in Bangladeshi adults.
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