The research was paid for by CRIIGEN
Séralini co-founded CRIIGEN in 1999 because he judged that studies on GM food safety were inadequate.
Even prior to this study he has had issues with his use of data.The two-year toxicity study, which cost €3.2 million, was conducted at the University of Caen by Séralini and seven colleagues. It had been funded by and run with the collaboration of CRIIGEN
In 2009 the Séralini lab published another study (Séralini 2009), which re-analyzed toxicity data for NK 603 (glyphosate resistant), MON 810 and MON 863 strains.[15] The data included three rat-feeding studies published by Monsanto scientists on MON 810.[16][17][18] This study concluded that the three crops caused liver, kidney and heart damage in the rats.[15] The EFSA concluded that the authors' claims were not supported by their data, that many of the statistical criticisms of Séralini 2007 applied to Séralini 2009, and that the study included no new information that would change the EFSA's conclusions.[19] The French Haut Conseil des biotechnologies (High Council of Biotechnologies Scientific Committee or HCB) reviewed Séralini 2009 and concluded that it "presents no admissible scientific element likely to ascribe any haematological, hepatic or renal toxicity to the three re-analysed GMOs." The HCB questioned the authors' independence, noting that, in 2010, the "body to which the authors belong" displayed material from a 2008 Austrian anti-GM study, the results of which had been acknowledged as mistaken by the study's authors.[20] Food Standards Australia New Zealand concluded that the results of Séralini 2009 were due to chance alone
When this study was retracted by the publisher this is what they had to say.Before 2012 Séralini had published other peer-reviewed papers that concluded there were health risks to GM foods.
In 2007 he and two others published a Greenpeace-funded study (Séralini 2007).
It concluded that MON 863, a corn rootworm-resistant Bt corn developed by Monsanto, caused health problems in rats, including weight changes, triglyceride level increases in females, changes in urine composition in males, and reduced function or organ damage in the liver, kidney, adrenal glands, heart and haematopoietic system.
The European Food Safety Authority (EFSA) concluded that all blood chemistry and organ weight values fell within the normal range for control animals, and that the paper had used incorrect statistical methods.The French Commission du Génie Biomoléculaire (AFBV) also criticized the study's conclusions
The retraction statement could have been clearer, and should have referred to the relevant COPE guidelines. The data are inconclusive, therefore the claim (i.e., conclusion) that Roundup Ready maize NK603 and/or the Roundup herbicide have a link to cancer is unreliable. Dr. Séralini deserves the benefit of the doubt that this unreliable conclusion was reached in honest error. The review of the data made it clear that there was no misconduct. However, to be very clear, it is the entire paper, with the claim that there is a definitive link between GMO and cancer that is being retracted. Dr. Séralini has been very vocal that he believes his conclusions are correct. In our analysis, his conclusions cannot be claimed from the data presented in this article.I note there is two separate processes involved here.The ethics committee of the French National Centre for Scientific Research wrote that Seralini's public-relations approach was "inappropriate for a high-quality and objective scientific debate."[3] Science journalist Carl Zimmer criticized the science journalists who participated.[32] Cosmos Magazine's Elizabeth Finkel said that the confidentiality clause had allowed Seralini's story to "prance unfettered" before second opinions arrived
(1) the use of Roundup on the crop
(2) The Monsanto GE modified Corn that was subsequently used.
A chief criticism was that each part of the study had too few rats to obtain statistically useful data,
particularly because the strain of rat used, Sprague Dawley, develops tumors at a high rate over its lifetime.Following widespread criticism by scientists, Food and Chemical Toxicology retracted the paper in November 2013 after the authors refused to withdraw it
Plus we have a bit of a showman not normally what you expect from a respected scientist.
At the press conference, Séralini emphasized the study's potential cancer implications, and photographs from the article of treated rats with large tumors were widely circulated by the media.The French Society of Toxicologic Pathology pointed out that, because such tumors are commonly found in older rats, the inclusion in the article of those images from treated rats, without also showing control rats, was misleadingSéralini also released a book and documentary film about the study in conjunction with the press conferenceThe study was criticized by various regulatory authorities and scientists. With few exceptions, the scientific community dismissed the study and called for a more rigorous peer-review system in scientific journals
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