Study: organic diet ‘significantly reduces’ urinary pesticide levels in children and adults

In Brief

  • The Facts:

    A 2019 study published in the journal Environmental Research found that an organic diet significantly reduced the pesticide levels in children and adults. Their urine was used to measure pesticide levels.

  • Reflect On:

    Are the justifications used to to spray our crops actually justified? Are they really necessary or can we figure out a better way of doing things?

What Happened:  A 2019 study published in the journal Environmental Research titled, “Organic diet intervention significantly reduces urinary pesticide levels in U.S. children and adults” highlighted that diet is the primary source of pesticide exposure in both children and adults in the United States. It found that an organic diet significantly reduced neonicotinoid, OP pyrethroid, 2,4-D exposure, with the greatest reduction observed in malathion, clothianidin, and chlorpyrifos.

The researchers noted that all of us are exposed “to a cocktail of toxic synthetic pesticides linked to a range of health problems from our daily diets.” They explain how “certified organic food is produced without these pesticides,” and ask the question, “Can eating organic really reduce levels of pesticides in our bodies?” They tested four American families that don’t typically eat organic food to find out.  All pesticides detected in the body dropped an average of 60.5% after just six days on an organic diet.

First, we tested the levels of pesticides in their bodies on a non-organic diet for six days. We found 14 chemicals representing potential exposure to 40 different pesticides in every study participant. These included organophosphates, pyrethroids, neonicotinoids and the phenoxy herbicide 2,4-D. Some of the pesticides we found are linked to increased risk of cancer, infertility, learning disabilities, Parkinson’s, Alzheimer’s and more. (source)

The most significant drops occurred in a class of nerve agent pesticides called organophosphates. This class includes chlorpyrifos, a highly toxic pesticide linked to increased rates of autism, learning disabilities and reduced IQ in children. Organophosphates are so harmful to children’s developing brains that scientists have called for a full ban. (source)

A lot of the food we now spray on our food were  initially developed as nerve gases for chemical warfare:

To understand this controversial issue it is helpful to look at the history of pesticide use. Prior to World War II, the pesticides that we use now did not yet exist. Some pesticides currently in use were in fact developed during World War II for use in warfare. The organophosphate insecticides were developed as nerve gases, and the phenoxy herbicides, including 2,4-D (the most commonly used herbicide in Canada), were created to eradicate the Japanese rice crop, and later used as a component of Agent Orange to defoliate large areas in jungle warfare. After World War II, these chemicals began to be used as pesticides in agricultural production, for environmental spraying of neighbourhoods, for mosquito eradication, and for individual home and garden use. –  Ontario College of Family Physicians

It’s also noteworthy to mention that A study published in the British Journal of Nutrition carried out a meta-analysis based on 343 peer-reviewed publications that indicate “statistically significant and meaningful differences in composition between organic and non-organic crops/crop based foods.” The study found that

The study found that Phenolic acids are 19% higher in organic foods,  Flavanones are 69% higher in organic foods (linked to reduced risk of several age-related chronic diseases),  Stilbenes are 28% higher in organic foods, Flavones are 26% higher in organic foods, Flavonol is 50% higher in organic foods and Anthocyanins are 51% higher in organic foods.

Apart from nutritional content, the study also measured for concentrations of the toxic metal Cadmium (Cd), finding that in conventional foods, “significantly higher concentrations” were found. Conventional foods appear to have nearly 50 percent more of this heavy metal than organic foods. Furthermore, significant differences were also detected for other minerals and vitamins.

When it comes to pesticide residues on non-organic foods, the authors found that the volume of pesticide residues was four times higher in conventional crops.

Another study conducted by researchers from RMIT university nearly 5 years ago published in the journal Environmental Research found that eating an organic diet for just one week significantly reduced pesticide exposure in adults by up to 90 percent.

The Takeaway: At the end of the day, people are and have been voting with their dollar. More grocery stores and brands are offering organic options, and the industry is starting to recognize that it’s in demand. Furthermore, more people are growing whatever food they can. At the end of the day, sprayed food not only has implications for human health, but it’s detrimental to the environment as well. This is a big problem on plane Earth, we are constantly told that GMO food and the spraying of crops is the only way to combat world hunger and changes in climate, but this sentiment goes against a plethora of information showing that local organic farming/agriculture is the most sustainable.

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By Arjun Walia / Collective Evolution Reporter

I joined the CE team in 2010 shortly after finishing university and have been grateful for the fact that I have been able to do this ever since :) There are many things happening on the planet that don't resonate with me, and I wanted to do what I could to play a role in creating change. It's been great making changes in my own life and creating awareness and I look forward to more projects that move beyond awareness and into action and implementation.

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(Source: collective-evolution.com; February 21, 2021; https://tinyurl.com/yyubaye3)
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