Manganese in Well Water and Infant Mortality in Bangladesh
Author Information
Author(s): Barrett Julia R.
Primary Institution: National Institute of Environmental Health Sciences
Hypothesis
Does manganese exposure through drinking water contribute to high infant mortality rates in Bangladesh?
Conclusion
The study suggests that high levels of manganese in drinking water may be linked to increased infant mortality rates in Bangladesh.
Supporting Evidence
- 80% of wells in the Araihazar region exceed the WHO manganese threshold.
- The infant mortality rate in Bangladesh is 54 per 1,000 live births.
- 335 infants died before age 1 year in the study group.
Takeaway
Drinking water with too much manganese might make babies in Bangladesh more likely to die before their first birthday.
Methodology
The study analyzed data from the Health Effects of Arsenic Longitudinal Study (HEALS) involving women who drank from the same well and had live births.
Limitations
No dose–response relationship was observed, and the association was not found in water samples collected for the current study.
Participant Demographics
Women married before age 40 who drank from the same well for most of their reproductive years.
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