TRADITIONAL varieties of major US food crops have been widely contaminated by DNA from genetically modified crops. Some scientists have gone as far as to suggest that this may pose a serious risk to human health.
Crops engineered to produce industrial chemicals and drugs – so-called “pharm” crops – could already be poisoning ostensibly GM-free crops grown for food, says a study by the Union of Concerned Scientists (UCS), based in Cambridge, Massachusetts. “If genes find their way from pharm crops to ordinary corn, they or their products could wind up in drug-laced cornflakes,” says microbiologist Margaret Mellon, the report’s co-author.
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