Neurotoxic Pesticides

Here’s a report about a pesticide in our food and water that causes learning disabilities in children. With its lobbying ability in the U.S, many industries control what scientific-based agencies say about their products. For example, Roundup, a pesticide linked to causing cancer, is banned in many countries, but not the U.S. I’ll add practical guidelines afterwards.

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As EPA Forced to Finalize New Rules,

Report Details Widespread Use of

Neurotoxic Pesticide Across US


“For years, the EPA has avoided protecting children

from learning disabilities and has kept chlorpyrifos

on the market, in our food, and in our water.”



Common Dreams

August 4, 2021


Two decades after the Environmental Protection Agency ended household use of chlorpyrifos over concerns about its impact on the brains of children, the neurotoxic pesticide is still widely applied to crops across the United States, according to a report published Wednesday.

“The review of these data shows beyond

a shadow of a doubt that people,

most alarmingly young children,

are being exposed to unsafe levels of

chlorpyrifos in their food and water.”
                                                                                   Rashmi Joglekar, Earthjustice

The public interest law firm, Earthjustice, released the report, entitled  Poisoned Food, Poison Brains: Mapping dangerous pesticides in the foods we eat (pdf) just weeks before the EPA is set to announce new restrictions on chlorpyrifos.

Earthjustice, along with farmworker and public health groups, has pressured the EPA to ban chlorpyrifos through legal action. In what the group hailed as a huge victory, the U.S. Court of Appeals for the 9th Circuit in April ordered the agency to ban all food uses of the pesticide or retain only those that are safe for workers and children. The EPA’s deadline to unveil its rule is August 20.

Studies have connected chlorpyrifos exposure with permanent harms to the brains of children, including attention problems, developmental delays, and intelligence loss. It is commonly used on broccoli, Brussels sprouts, cauliflower, cranberries, corn, fruit and nut trees, soybeans, and other row crops as well as on fence posts, green houses, golf courses, turf, and utility poles.

For the new report, Earthjustice reviewed data on agricultural pesticide use and human health risks from the EPA and the United States Geological Survey. The group found that 5.6 million pounds of chlorpyrifos was applied on agricultural land nationwide in 2017, with the most usage documented in California, Minnesota, North Dakota, and Kansas.

According to Earthjustice:

Anyone living near where chlorpyrifos is used can be exposed to unsafe levels through air (drift) or drinking water, according to government studies, which note that food is a method of exposure too. Government reports show that farmworkers and people who live, work, or go to school near agricultural fields where chlorpyrifos is used experience dangerously high levels of exposure and are at elevated risk of harm. The report says …


“Children between one and two years old

are most at risk of harm from chlorpyrifos,

as they face dietary exposures of more than

140 times EPA’s so-called level of concern.”


Earthjustice notes …


“In its 2016 Refined Drinking Water Assess-

ment, which is the only such assessment

that attempted to find a chlorpyrifos exposure

level that would be safe for children, EPA said

drinking water across the nation is likely con-

taminated with unsafe levels of chlorpyrifos.


“EPA’s high-end estimates indicate that in the

most contaminated areas, chlorpyrifos contamina-

tion may be 12,000 higher than levels of concern.”


Rashmi Joglekar, Earthjustice staff scientist for Healthy Communities, said  in a statement that “the review of these data shows beyond a shadow of a doubt that people, most alarmingly young children, are being exposed to unsafe levels of chlorpyrifos in their food and water.” He added …


The EPA has had the scientific evidence for

years that chlorpyrifos can lead to irrever-

sible neurodevelopmental harm in children.

And the agency’s only ethical choice is to ban

the pesticide for all food uses immediately.”


In a June report for The Intercept, Sharon Lerner pointed to an old study on chlorpyrifos commissioned by Dow Chemical—now Corteva Agriscience—and for a time used by federal regulators as “just one of many instances in which an industry that is far more powerful and better resourced than the federal agency responsible for regulating it has hoodwinked, bullied, and persuaded the EPA into using inaccurate science at the expense of public health.”

Noting Lerner’s reporting, Earthjustice warns that major chemical companies continue to manufacture and sell millions of pounds of chlorpyrifos each year, and “these lobbying maneuvers are most likely ongoing as the August deadline looms.”

Patti Goldman, the Earthjustice attorney who has been leading the chlorpyrifos litigation, called out the EPA on Wednesday for its failure to act sooner on calls to fully ban the pesticide. Goldman said …


“For years, the EPA has avoided protecting

children from learning disabilities and has

kept chlorpyrifos on the market, in our

food, and in our water. The court has told

the EPA, yet again, to ban the pesticide.


“It’s time for EPA to stop succumbing to

industry pressure and start protecting

children, farmworkers, and their families.”


As Earthjustice’s report puts it: “Just as science led EPA to say chlorpyrifos is too toxic for our homes 20 years ago, so too science is telling the agency this pesticide is too toxic for our food.” The report concludes …


“Indeed, following the science leads inevit-

ably to the conclusion that the only accep-

table way to keep children and workers

safe from chlorpyrifos is to ban it, once

and for all, and start taking a hard look

at the whole class of organophosphates.”


The data Earthjustice analyzed contained information on not only chlorpyrifos but also 16 other organophosphates that are widely used or have known harmful health effects—so alongside the new report, the group on Wednesday unveiled a searchable online database.


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Not being a chemical scientist, I rely – as most of us do – on our government to protect our health and safety. When the protection upon which we rely is not working as it should – and this report is three years old – what’s our best course of action?

We can – via groundwater harvesting and filters – ensure that our drinking water is free of toxic contaminants. Then, perhaps we can get a list of foods – from the Earthjustice data base – that are more likely to contain these toxins, and avoid eating those foods – or getting them from a non-toxic source, such an organic farmer at a farmers’ market.  Adding D’s suggestions …


“It is best to avoid as many pesticides as possible in what one is eating. Every year, the group EWG (Environmental Watch Group) puts out their list of what they call “The Dirty Dozen.” Here is this year’s list:


  1. Strawberries
  2. Apples
  3. Nectarines
  4. Peaches
  5. Celery
  6. Grapes
  7. Cherries
  8. Spinach
  9. Tomatoes
  10. Sweet Bell Peppers
  11. Cherry Tomatoes
  12. Cucumbers

 “We would suggest, at the very least, to avoid purchasing (or eating) these fruits and vegetables unless they are organic. Much of the pesticide use is for making the fruits and vegetables look more perfect to the consumer. You will notice, most likely, that organic foods are not as perfect nor will they last as long. It may not look as pretty but it has much better flavor.  Enjoy the summer’s bounty.”

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