Fishing In Troubled Waters

April 30, 2008 at 1:13 PM General Health News
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Fishing In Troubled Waters
Have you ever heard of fish engaged in family planning? In the nineties, a group of UK researchers chanced upon a phenomenon in fish that lived downstream from waste- water treatment plants. The males of this piscine population   became increasingly feminized, so much so, that they were busy producing eggs, in their testes. These fish were not meant to be on contraceptives, but thanks to human thoughtlessness, they were imbibing a regular dose. Such ‘cross- over’ samples are no longer strangers to the rivers and streams across the Americas and Europe. The reason-- estrogenic compounds in their habitat!

Drug Route

What is behind this strange phenomenon? The story begins with the multitude of drugs, masterminded in laboratories. They win approval through clinical trials, and are then mass- produced as purposeful remedies to save lives.

But the story does not end there, although the purpose is accomplished.  Expired or outdated drugs are disposed by flushing them down the toilets. Drugs are also excreted by consumers. They amalgamate with the environment through treated wastewater, agricultural run-offs and manure.  These drugs seep their way underground, wade their way into streams and ultimately enter the food chain.

Fishy Facts

Studies confirm that fish all over the world are being ‘slow poisoned’ with sips of estrogenic compounds besides anticonvulsants, such as carbamazepine, antidepressants, such as fluoxetine, and scores of other drugs that have been designed to brighten our lives. Carbamazepine affects the development of small insects that are savored by the fish, while fluoxetine slows development in fish and frogs.

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