By Russell K. King, HHRA Executive Director
A multi-institutional international toxicological study has found that low doses of glyphosate-based herbicides cause leukemia in rats, according to a press release issued October 25, 2023, by the Ramazzini Institute in Italy. Half of the leukemia deaths identified in the study groups occurred in rats younger than a year old.
There are those, of course, who have an interest in discounting science that suggests glyphosate in food may cause health problems for those who ingest it, and the easiest and most common way to do that is by dismissing the study as being about rats, not people. That shines a bright light on the Heartland Study, because what we’re investigating is precisely that: The human health affects, if any, of ingesting food treated with herbicides, including glyphosate.
Of course, any dismissal of rat studies as insignificant for humans is disingenuous and often intended to mislead people who have low science literacy. Just 28% of Americans are scientifically literate. I’ve written before about the difficulties created by people undermining science for their own purposes. I’ll be happily surprised if the Ramazzini study does not encounter those difficulties.
The fact is, laboratory rat studies have made invaluable contributions to understanding and improving human health–from cardiovascular medicine, to neural regeneration, addiction treatment, wound healing, major depressive disorder, diabetes, transplantation, behavioral problems, space motion sickness, and more. Rats have also been widely used to test drug efficacy and safety. The success found through experiments using lab rats is thanks to the robust overlap among the physiological, anatomical, and genetic between rodents and humans. These similarities are key in being able to compare the results from rat experiments to the potential effects of the same treatment or condition in human beings.
So, yes, the results of this enormous study of rats is an important signpost directing us to examine the health affects of glyphosate in humans. And that’s exactly what we’re doing. You can help support our vital research. Please do.