NEW DELHI: The study was carried out by Mahavir Cancer Sansthan, Patna, under the leadership of Dr Arun Kumar and Prof Ashok Ghosh, in collaboration with AIIMS, New Delhi, led by Dr Ashok Sharma from the department of biochemistry. Conducted between October 2021 and July 2024, the research analysed breast milk from 40 mothers aged 17-35 in Bhojpur, Samastipur, Begusarai, Khagaria, Katihar and Nalanda. Uranium (U238) was detected in all samples, with concentrations ranging from 0 to 5.25 g/L. There is no permissible limit for uranium in breast milk. Khagaria recorded the highest average contamination, Nalanda the lowest, while Katihar showed the single-highest reading. Nearly 70% of infants faced exposure levels associated with potential non-carcinogenic health risks. Co-author Dr

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