A judge in San Francisco on Monday upheld a jury's verdict that found Monsanto liable for a groundkeeper's cancer. However, the judge slashed damages from $289 million (€252 million) to $78 million.

The trial was the first of its kind to find Monsanto liable for not warning users of the potential carcinogenic properties of glyphosate found in its Roundup herbicide.

What happened:

Dewayne Johnson, who worked as a groundkeeper at a school near San Francisco, was diagnosed with non-Hodgkin lymphoma in 2012, two years after starting his job. He often sprayed hundreds of gallons of Roundup on school grounds each year.

Johnson filed a lawsuit against Monsanto two years after being unable to work due to the disease.

In August, a jury ruled that Monsanto "acted with malice and oppression" by failing to acknowledge glyphosate as a cancer-causing agent. At the time, the court ordered Monsanto to pay $289 million in damages.

Monsanto fought the verdict, arguing that the large sum for damages be rescinded and a new trial take place. But on Monday, judge Suzanne Bolanos upheld the jury's verdict while significantly cutting the damages.

Read more: Glyphosate: The key points in an endless debate

Shares take beating

The verdict dragged down shares in Monsanto's German parent, Bayer. The stock plunged more than 10 percent on the Frankfurt Stock Exchange on Tuesday.

The German chemicals and pharmaceuticals giant's Monsanto takeover bid was finalized earlier this year; the €58.8 billion deal was the biggest ever foreign takeover by a German firm. The deal aimed to create an agrichemical giant offering specialized seeds, compatible pesticides and data services for farmers, with Bayer best known for pharmaceuticals and Monsanto for agricultural products.

Yummy, yummy glyphosate! Ice cream Glyphosate has been found in Ben & Jerry's ice cream samples from Europe, according to the Health Research Institute. The attested quantities could be a health risk, says the US-based Organic Consumers Association. Ben&Jerry's insists the levels of glyphosate detected "were significantly below all allowable US and European standards."

Yummy, yummy glyphosate! Grains When glyphosate is used to kill weeds on fields of wheat, barley or rye, it can find its way into bread, buns, cakes, cookies or any other baked goods. That's how the herbicide ends up in your Ben & Jerry's cookie dough ice cream.

Yummy, yummy glyphosate! Breakfast cereals Take cornflakes and muesli. Yes, these are made from field crops that are also sprayed with a glyphosate-based weed killer like Roundup. A 2018 Environmental Working Group report titled "Breakfast With a Dose of Roundup?" noted that all but two of 45 products tested had oats with traces of glyphosate, but that 31 of these showed alarming levels exceeding its own child safety standards.

Yummy, yummy glyphosate! Water Glyphosate is also in our water. In the water? Indeed, even there! When the weed killer is used on cultivated fields, after it rains, glyphosate seeps into the groundwater, rivers and lakes. And this way, it turns up not only in our food, but also in beverages ...

Yummy, yummy glyphosate! Beer ... like the world's most popular chillaxing drink — beer. Several studies have shown small amounts of glyphosate in the beverage made from grains and water — although the more dangerous thing about beer may still be the alcohol content.

Yummy, yummy glyphosate! Honey And whoever, at the end of this list, believes it's okay to smear some honey on what is hopefully a glyphosate-free organic roll, is likely to be unhappy. Flowers that attract bees, and that grow near fields sprayed with glyphosate, are likewise affected, and could turn your sweet hopes into something fairly bitter. Author: Klaus Esterluss



Does glyphosate cause cancer?

While critics are quick to describe glyphosate — the main chemical substance in Roundup — as carcinogenic, research is far from definitive on the question. Here's what international bodies, environmental authorities and researchers have to say:

The European Union's European Food Safety Authority said in 2015: "EU peer review experts, with only one exception, concluded that glyphosate is unlikely to pose a carcinogenic hazard to humans and the evidence does not support classification with regard to its carcinogenic potential."

Read more: Weed killer glyphosate EU license extended for further five years

The World Health Organization's International Agency for Cancer Research in 2015 classified glyphosate as "probably carcinogenic to humans." At the same time, it said that, "For the herbicide glyphosate, there was limited evidence of carcinogenicity in humans for non-Hodgkin lymphoma. The evidence in humans is from studies of exposures, mostly agricultural, in the USA, Canada and Sweden published since 2001."

The US Environmental Protection Agency in 1985 labeled glyphosate a "possible human carcinogen," but that classification was rescinded in 1991 by an internal committee, saying there wasn't enough evidence to claim that it was carcinogenic. It was consequently labeled a chemical with "evidence of non-carcinogenicity for humans." A new review process launched in 2015 said data "at this time do no (sic) support a carcinogenic process for glyphosate."

Monsanto's take

Monsanto has argued that its product does not a pose a threat to humans. In a 2016 report on glyphosate, the agrochemical company said the agent "exhibits low toxicity to humans and non-plant wildlife over both short- and long-term exposures."

Read more: Did Monsanto know its weed killer could be deadly to people?

What happens next?

Johnson has until December 7 to accept the reduced amount in damages. If he does not wish to accept the amount, he can demand a new trial.

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