Breastmilk samples of 40 lactating mothers were found to be "highly contaminated" with uranium, according to a study published in the Nature journal. It, however, noted that contamination had "very least impact on the health of mother and infants."

As many as 40 mothers, aged between 17 and 35 years, took part in the research. This study was conducted in selected districts of Bihar, which included Bhojpur, Samastipur, Begusarai, Khagaria, Katihar and Nalanda. The study was carried out between October 2021 to July 2024.

The study revealed that “all the samples had the uranium contents." It said, "The present study reports 100% lactating mothers having their breastmilk highly contaminated with uranium."

The highest Uranium concentration in breastmilk was observed in the Katihar district —

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