Roundup is tied to infertility and cancer; herbicide’s maker calls it safe

April 29, 2013

Heavy use of the world’s most popular herbicide, Roundup, may be linked to a range of health problems and diseases, including Parkinson’s, infertility and cancers, according to a new study.

The report, published this month in the online journal Entropy, said evidence indicates that residues of glyphosate, the chief ingredient in Roundup and other weedkillers, has been found in food.

Those residues enhance the damaging effects of other food-borne chemical residues and toxins in the environment to disrupt normal body functions and induce disease, according to the report, authored by Stephanie Seneff, a research scientist at the Massachusetts Institute of Technology, and Anthony Samsel, a retired science consultant from the management consulting firm Arthur D. Little and a member of the Union of Concerned Scientists, an advocacy group.

“Negative impact on the body is insidious and manifests slowly over time as inflammation damages cellular systems throughout the body,” the study says.

We “have hit upon something very important that needs to be taken seriously and further investigated,” Seneff said.

Environmentalists, consumer groups and plant scientists from several countries have warned that heavy use of glyphosate is causing problems for plants, people and animals.

The EPA is conducting a standard registration review of glyphosate and has set a deadline of 2015 for determining if its use should be limited. The study is among many comments submitted to the agency.

Monsanto is the developer of both Roundup herbicide and of crops that are genetically altered to withstand being sprayed with the weedkiller.

These biotech crops, including corn, soybeans, canola and sugarbeets, are planted on millions of acres in the United States annually. Farmers like them because they can spray Roundup directly on the crops to kill weeds in the fields without harming the crops.

Roundup is also used on lawns, gardens and golf courses.

Monsanto and other leading industry experts have said for years that glyphosate is proven safe and has a less damaging impact on the environment than other commonly used chemicals.

Jerry Steiner, Monsanto’s executive vice president of sustainability, reiterated thatwhen questioned about the new study.

“We are very confident in the long track record that glyphosate has. It has been very, very extensively studied,” he said.

Of the more than two dozen top herbicides on the market, glyphosate is the most popular. In 2007, as much as 185 million pounds of glyphosate were used by U.S. farmers, twice the amount used six years ago, according to Environmental Protection Agency data.

— Reuters

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