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Posted Tue Feb 22 2011: from
Yale360:
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Unraveling the Mystery of the Bizarre Deformed Frogs http://apocadocs.com/s.pl?1298381621
For the last two decades, strange things have been happening to frogs. Some frog populations have high rates of limb deformities, while others have high incidences of what is known as "intersex" -- traits associated with both males and females, such as male frogs whose testes contain eggs. David K. Skelly, professor of ecology at Yale University's School of Forestry & Environmental Studies, set out to discover what was causing these deformities, which some researchers were attributing to an agricultural pesticide. His work has indeed implicated human activity, but not in the way many researchers had thought.
Skelly says one thing is clear: The deformities showing up in frogs are almost certainly not caused by a single chemical, but rather by a whole suite of substances -- including medicines excreted by humans into the environment -- that act in concert to mimic hormones like estrogen or cause other ill effects.
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[Read more stories about:
endocrine disruptor, amphibian collapse, hermaphroditic creatures, toxic buildup, pharmwater]
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