Broken-down Endocrine Disruptors reform in the Dark casting Doubt on Environmental Risk Assessments

Hormone disrupting chemicals rise from the dead

Hormone disruptors rise from the dead
David Cwiertny, an environmental engineer at the University of Iowa in Iowa City, decided to find out whether the breakdown products of endocrine disruptors could be boosting their environmental impact.

Hormone-disrupting chemicals may be far more prevalent in lakes and rivers than previously thought. Environmental scientists have discovered that although these compounds are often broken down by sunlight, they can regenerate at night, returning to life like zombies. Their research focused on a steroid hormone used to speed growth in more than 20 million cattle in the US. The practice is banned in the European Union. – Read:

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