View from the fence

Social, environmental and economic issues surrounding GM foods, and the latest news


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Retraction of Seralini’s controversial toxicology study

This week a widely-criticised paper claiming negative effects of Roundup and Roundup-tolerant genetically modified maize on rats was retracted by the journal Food and Chemical Toxicology. The author, Professor Seralini, stands by the results, but received a letter from the journal stating that “The panel had many concerns about the quality of the data, and ultimately recommended that the article should be withdrawn.”

Criticisms included inadequate numbers of rats to draw conclusions (especially as the strain used were extremely prone to tumours). There were also insufficient control groups (there should have been more rats fed on non-GM diets to see whether this was any different to those fed GM diets). The stats have also been questioned. Continue reading

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