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Uranium in Breastmilk
November 26 , 2025
16 hrs 0 min
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- A study in six Bihar districts found uranium (U-238) in all breastmilk samples collected from 40 mothers.
- The uranium levels ranged from 0 to 5.25 micrograms per litre (µg/L), with the highest value reported in Katihar.
- The contamination order of districts was Katihar, Samastipur, Nalanda, Khagaria, Begusarai, and Bhojpur.
- The study said about 70% of infants showed a hazard quotient (HQ) above 1, which indicates a possible non-carcinogenic risk.
- The study compared its findings with the World Health Organisation (WHO) drinking water limit of 30 µg/L, which is higher than the levels found.
- The study linked the uranium presence to contaminated groundwater and the local food chain in the surveyed areas.
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