A long-term diet of herbicide-resistant corn caused tumors, organ damage and premature death in rats, according to French researchers who have conducted the first animal feeding test to determine effects of eating genetically modified food over a lifetime, Clive Cookson of The Financial Times reports. The study focused on the most widely planted herbicide-resistant corn, Monsanto's Roundup Ready.
The study, which was published in the peer-reviewed journal Food and Chemical Toxicology, divided 200 rats into groups of 10. Some were fed Roundup Ready corn, some Roundup-laced drinking water and some Roundup Ready corn that had been sprayed with Roundup. Researchers concluded that not only is eating GM corn harmful, but Roundup itself causes health effects even at concentrations below the legal limit for residues in water supplies.
Other scientists have criticized the study's methodology, saying tumor-prone rats were used, there were too few control groups of rats, and the study was also led by Gilles-Eric Seralini, a critic of genetically modified food. (Read more)
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