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Disturbing new research published in the Journal of Applied Toxicology indicates that genetically modified (GM) crops with “stacked traits,” that is, with multiple traits such as glyphosate-herbicide resistance and Bacillus thuringiensis (Bt) insecticidal toxins engineered together into the same plant, are likely far more dangerous to human health than previously believed, due to their synergistic toxicity.
In this latest study the glyphosate-containing herbicide Roundup was tested on human embryonic kidney cells at concentrations between 1 to 20,000 parts per million (ppm). It was found that concentrations as low as 50 ppm per million, which the authors noted were “far below agricultural dilutions,” induced cell death, with the 50% of the cells dying at 57.5 ppm.
The researchers also found that the insecticidal toxin produced by GM plants known as Cry1Ab was capable of causing cell death at 100 ppm concentrations.
These disturbing findings follow on the heels of recent revelations that Roundup is several orders of magnitude more toxic than previously believed. Only 5 days ago (Feb. 14) the journal Archives of Toxicology reported that
Roundup is toxic to human DNA even when diluted to concentrations 450-fold lower than used in agricultural applications.