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Modified Crops Not Seen Adding To Human Health Risks, Study Says

Published on May 17 2016 10:15 PM in Features tagged: Wheat / USA / GMO / Modified Crops

Modified Crops Not Seen Adding To Human Health Risks, Study Says

Foods produced from genetically engineered crops don’t pose additional health risks to humans compared with their conventionally bred counterparts, according to the National Academies of Sciences, Engineering, and Medicine.

A NAS committee outlined findings in a 408-page report released Tuesday. It reviewed epidemiological data from the U.S. and Canada, where food made with genetically engineered (GE) plants has been consumed for the past two decades, and compared it with information from Western Europe, where such foods aren’t widely eaten.

“The committee found no evidence of differences between the data from the United Kingdom and western Europe and the data from the United States and Canada in the long-term pattern of increase or decrease in specific health problems after the introduction of GE foods in the 1990s,” the NAS said.

“Patterns of change in cancer incidence in the United States and Canada are generally similar to those in the United Kingdom and western Europe, where diets contain much lower amounts of food derived from GE crops.”

While no substantiated evidence was found to link modified crops to increased health risks, the study noted the difficulty in detecting subtle or long-term effects on health and the environment.

Genetically modified crops have attracted controversy ever since they were first commercialized two decades ago, but have come under particular scrutiny in recent months. In the U.S., a law requiring labeling of some foods containing GMO ingredients is set to take effect in Vermont on July 1 after a bid to create a national standard stalled in the Senate earlier this year. Major food companies have said scientific consensus proves that genetically modified organisms (also widely known as GMOs) are safe and that labeling is unnecessary and could drive up costs for consumers. Groups opposed to GMOs on ethical and environmental grounds say consumers have a right to know if their food has been modified.

Another source of debate over GMOs recently has concerns about the safety of glyphosate, the weedkiller that some crops have been modified to tolerate. The chemical, sold by Monsanto Co. under the Roundup brand, probably causes cancer, the International Agency for Research on Cancer said last year. Monsanto, the world’s largest seed company, rejected the findings. The World Health Organization and the Food and Agriculture Organization of the United Nations said in a report Monday that glyphosate isn’t likely to be carcinogenic.

Not all the findings from the NAS study were positive for GMO advocates. While the crops often provide farmers an economic advantage, in some cases “damaging levels of resistance” emerged in insects targeted by the crops. Weed resistance has also emerged as a “major agronomic problem” in areas with a heavy reliance on glyphosate, the herbicide that some GMO crops have been modified to tolerate.

Differences in regulatory processes among various countries are likely to persist and will continue to cause trade problems, the study also said. The committee recommended that new crop varieties be regulated based on a plant’s characteristics, rather than the process by which it was created.

The committee’s review was focused on corn, soybean and cotton crops and involved the review of about 900 publications. More than 90 percent of the corn and soybeans planted in the U.S. last year were produced from genetically engineered seed, according to U.S. Department of Agriculture data.

News by Bloomberg, edited by ESM. To subscribe to ESM: The European Supermarket Magazine, click here.

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