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Here's a very helpful piece by Dr. Heather Patisaul on the effects of atrazine, a household pesticide that's also used heavily in conventional corn production. In it, she describes, the dangers of atrazine, which have been known for nealry a decade now.
Laboratory and wildlife studies show that atrazine can cause reproductive and other organ abnormalities in vertebrates...The most persistent effects of atrazine occur when exposure occurs during development - rather than in adulthood - because the brain and reproductive organs are still forming. Effects of developmental exposure are less likely to be reversible.
Around the world, amphibian populations are in decline, and scientists have not been able to figure out why. Now a study of leopard frogs in Pennsylvania has identified a possible culprit, and the ramifications are troubling, according to a Penn State ecologist.
Research conducted primarily at Penn State's Russell E. Larson Agricultural Research Center at Rock Springs in the summer of 2007 — described in a recently published article in the journal Nature — suggests that chemical pollution can increase often-deadly trematode (parasitic flatworm) infections in a declining amphibian species.
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