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Cancer-Causing Chemical in Water More Harmful to Children

Published on June 22, 2026, 1:38 p.m.
Cancer-Causing Chemical in Water More Harmful to Children

Topic: Research News

A new MIT study found that a chemical called NDMA, present in some medications and contaminated water, is more dangerous for children than adults. The research shows that young animals exposed to this chemical develop more DNA damage and cancer.

Scientists at the Massachusetts Institute of Technology (MIT) have discovered that a chemical called N-Nitrosodimethylamine (NDMA), found in some medications and contaminated water, poses a greater risk to children than adults. In experiments with mice, researchers found that young animals exposed to NDMA developed more DNA damage and cancer than older mice given the same exposure.

The study highlights the importance of studying how potential carcinogens affect people at different stages of life. The researchers hope that their findings will help groups testing safety change their approach and start considering the impact on children.

NDMA forms as a byproduct of various industrial processes and is also present in cigarette smoke, processed meats, and certain medications. In recent years, it has been detected in some versions of drugs like valsartan, ranitidine, and metformin.

Implications

A new MIT study found that a chemical called NDMA, present in some medications and contaminated water, is more dangerous for children than adults. The research shows that young animals exposed to this chemical develop more DNA damage and cancer.


Source: https://www.sciencedaily.com/releases/2026/04/260428045546.htm

Journal Reference:

  1. Lindsay B. Volk, Monét Norales, Callie Karjane, Joshua J. Corrigan, Alper J. Alcaraz, Lee J. Pribyl, Nicolette A. Bugher, Megan Blawas, Isabella Dulski, Einthavy Arunachalam, Nina Gubina, Emily Michelsen, Kannammai Pichappan, Natalya Yakimchuk, Matilda Swanson, Duanduan Ma, Stuart S. Levine, Desiree L. Plata, Robert G. Croy, Leona D. Samson, John M. Essigmann, Carole L. Yauk, Sebastian E. Carrasco, Bevin P. Engelward. Early life exposure to N-nitrosamine drives genotoxicity, mutagenesis, and tumorigenesis in DNA repair-deficient mice. Nature Communications, 2026; DOI: 10.1038/s41467-026-71753-w

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