Groundwater poisoning by heavy metals has caused serious health hazards in the exposed population globally. Manganese (Mn) poisoning causing human health hazards is very meagerly reported worldwide. The present research elucidates for the first time the catastrophic effect of manganese causing cancer in the Gangetic plains of Bihar (India). The blood samples of n = 1146 cancer patients were voluntarily obtained for the study, after their consent. Their household water samples were also collected for the study. All the samples were analysed for Mn contamination by Atomic Absorption Spectrophotometer. The study indicates high Mn contamination in the cancer patient blood samples with highest content as 6022 µg/L. Moreover, the cancer patient's household handpump water samples also contained elevated Mn contamination. The correlation coefficient study finds significant association between Mn contamination in blood of cancer patients and their handpump water. The carcinoma group of cancer patients mostly in Stage III & IV had significant Mn contamination in their blood (above WHO/BIS permissible limit). The geospatial study depicts Mn contamination in handpump water in the state of Bihar in correlation with cancer patient's blood samples. This novel finding is being reported in India for the first time, which correlates cancer with handpump drinking water. The long-term Mn exposure could be one of the causative agents for elevating cancer incidences. However, other confounding risk factors cannot be denied.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11576912 | PMC |
| http://dx.doi.org/10.1038/s41598-024-78478-0 | DOI Listing |
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