Add it up, shake it and get a toxic cocktail

Posted on May, 08 2006

As the Scientific American Magazine reports “One chemical alone may do no harm in low doses, but in conjunction with a few of its peers, even in doses that are individually safe, it can inflict serious harm.”

As the Scientific American Magazine reports “One chemical alone may do no harm in low doses, but in conjunction with a few of its peers, even in doses that are individually safe, it can inflict serious harm. New research in frogs shows that a mixture of nine chemicals found in a seed-corn field in York County, Nebraska, killed a third of exposed tadpoles and lengthened time to metamorphosis by more than two weeks for the survivors.”

Yet, it is not just pesticides that show a mixture effect. In a study, American Environmental Protection Agency biologist, L. Earl Gray Jr., proves that "various kinds of phthalates in combination either with one another or with certain pesticides and industrial effluents exert ever more powerful effects."

Read the full story in The Scientific American Magazine.

Mixture effect kills one-third of exposed tadpoles
© WWF / André BÄRTSCHI