Does Roundup Cause Cancer?

Whether Monsanto’s Roundup herbicide causes cancer isn’t just a scientific question — it’s a legal, regulatory, and public health challenge. One of the most widely used herbicides in the world, Roundup’s active ingredient, glyphosate, has been scrutinized by researchers and argued over in courtrooms.

Despite mounting evidence linking Roundup to cancers such as non-Hodgkin’s lymphoma, the herbicide remains widely available — and widely used. Meanwhile, Monsanto has resisted warning the public about the links between glyphosate exposure and cancer.

Does Roundup Cause Cancer? What the Science Says

Scientific scrutiny of glyphosate — Roundup’s active ingredient — has intensified in recent years, and the findings are troubling. The International Agency for Research on Cancer (IARC), part of the World Health Organization, classified glyphosate as a “probable human carcinogen” in 2015. This classification was based on evidence from animal studies and limited evidence from human studies.

Multiple studies have investigated the connection between Roundup and cancer, with several pointing to concerning associations. A comprehensive meta-analysis published in Environmental Research examined epidemiological studies and found evidence suggesting an increased risk of non-Hodgkin’s lymphoma among individuals with high exposure to glyphosate-based herbicides like Roundup.

The University of Washington’s Department of Environmental and Occupational Health Sciences has noted that while the evidence isn’t conclusive, there are legitimate concerns about Roundup cancer risks. Research has particularly focused on agricultural workers, landscapers, and others with occupational exposure to the herbicide, who show higher rates of certain blood cancers compared to the general population.

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Jury Verdicts Tell a Story: Roundup Lawsuits and Corporate Accountability

Families across the country have come forward after devastating diagnoses, filing claims that their long-term exposure to Roundup led to life-altering cancers. Thousands of individuals diagnosed with non-Hodgkin’s lymphoma, leukemia, and other cancers have filed Roundup cancer lawsuits against Bayer, claiming their illnesses resulted from exposure to the herbicide.

Several landmark verdicts have awarded substantial damages to plaintiffs. Courts have consistently found that Bayer failed to adequately warn consumers about potential cancer risks associated with Roundup use. Another resulted in a $2.1 billion decision in Georgia, based not only on glyphosate’s relationship to the plaintiff’s cancer, but also on a history of coverups and “backroom dealings” by Monsanto.

The litigation has been extensive, with Bayer and its Monsanto subsidiary facing tens of thousands of claims. The company has paid billions in settlements while maintaining that Roundup is safe when used as directed. However, the sheer volume of cases and substantial jury awards suggest that many find the scientific evidence compelling enough to hold the company liable.

How We Help Roundup Cancer Victims

If you’ve been diagnosed with non-Hodgkin’s lymphoma after repeated exposure to Roundup weedkiller, you may be entitled to compensation. Our national law firm has spent decades taking on Monsanto and other chemical companies, holding them accountable for dangerous products that harm consumers. Contact our experienced Roundup attorneys to find out if you have a case.