A US jury has found that one of the world's most widely-used weed-killers was a “substantial factor” in causing a man's cancer. Pharmaceutical group Bayer had strongly rejected claims that its glyphosate-based Roundup product was carcinogenic. But the jury in San Francisco ruled unanimously that it contributed to causing non-Hodgkin's lymphoma in California resident Edwin Hardeman.
The next stage of the trial will consider Bayer's liability and damages. During this phase, which starts on Wednesday, Mr Hardeman's lawyers are expected to present evidence allegedly showing Bayer's efforts to influence scientists, regulators and the public about the safety of its products.
The German company, which acquired Roundup as part of its US$ 66bn takeover of US rival Monsanto, said it was disappointed with the jury's initial decision.
We are confident the evidence in phase two will show that Monsanto's conduct has been appropriate and the company should not be liable for Mr. Hardeman's cancer, the company said.
Bayer continues to believe firmly that science confirms that glyphosate-based herbicides do not cause cancer.
The case was only the second of some 11,200 Roundup lawsuits to go to trial in the US.
Another California man was awarded US$ 289m in August after a state court jury found Roundup caused his cancer, sending Bayer shares plunging at the time. That award was later reduced to US$ 78m and is on appeal.
Bayer has argued that decades of studies and regulatory assessments have shown the weed killer to be safe for human use.
Mr Hardeman, 70, treated his property in Sonoma County, California, regularly with the herbicide from 1980 to 2012 and was eventually diagnosed with non-Hodgkin's lymphoma. His lawyers Aimee Wagstaff and Jennifer Moore said in a joint statement their client was pleased with the decision.
Now we can focus on the evidence that Monsanto has not taken a responsible, objective approach to the safety of Roundup, they added.
Instead, it is clear from Monsanto's actions that it does not particularly care whether its product is in fact giving people cancer, focusing instead on manipulating public opinion and undermining anyone who raises genuine and legitimate concerns about the issue.
Glyphosate was introduced by Monsanto in 1974, but its patent expired in 2000, and now the chemical is sold by various manufacturers. In the US, more than 750 products contain it.
In 2015, the International Agency for Research on Cancer, the World Health Organization's cancer agency, concluded that glyphosate was probably carcinogenic to humans
However, the US Environmental Protection Agency insists it is safe when used carefully. Likewise the European Food Safety Authority (EFSA) also says glyphosate is unlikely to cause cancer in humans.
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