GM Study Declared Unsound

A controversial study that suggested genetically modified (GM) maize causes cancer in rats is dismissed by the European Food Safety Authority.

Jef Akst
Jef Akst

Jef Akst is managing editor of The Scientist, where she started as an intern in 2009 after receiving a master’s degree from Indiana University in April 2009 studying the mating behavior of seahorses.

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Nov 29, 2012

Wikimedia, Sreejith KA task force set up by the European Food Safety Authority (EFSA) yesterday (November 28) has confirmed suspicions that a September study claiming to have identified serious health consequences of genetically modified (GM) maize “does not meet acceptable scientific standards.”

The 2-year-long study examined rats fed a Europe- and United States-approved GM corn, called NK603, and claimed they developed massive mammary tumors and died earlier than rats fed conventional corn. The results, which were published in September in Food and Chemical Toxicology, were met with immediate skepticism, leading to an independent evaluation by two French regulatory agencies and the EFSA. Last month (October 4), the EFSA announced its preliminary conclusion that “the design, reporting and analysis of the study, as outlined in the paper, are inadequate.” Now, the agency has declared with more certainty that the study “does not meet acceptable scientific standards, and there...

The European Union uses millions of tons of GM crops, including NK603 corn, as livestock feed.

(Hat tip to ScienceInsider)

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