Pollutants in the womb can trigger adult cancers | Science News



Support credible science journalism.

Subscribe to Science News today.


Pollutants in the womb can trigger adult cancers

Mouse study shows fetal exposures may pose long-term risks

4:18pm, December 9, 2008

Mouse moms exposed late in pregnancy to heavy doses of a carcinogen gave birth to pups that inevitably developed lymphomas and lung cancers, a new study shows. The malignancies generally didn’t show up until the offspring reached the human equivalent of adulthood. The good news: Milk from carcinogen-treated mouse moms posed little added risk.

This demonstration “that very short early-life exposures can have major consequences is very important,” observes toxicologist Linda S. Birnbaum of the Environmental Protection Agency in Research Triangle Park, N.C.

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from Science News

From the Nature Index Paid Content