Can Eating Organic Lower Your Exposure to Pesticides?

A new study tracks the pesticides and residues in a small cohort of eaters, and found significant reductions when they switched to an all-organic diet.

For consumers uncertain about the value of organic food, a new study adds evidence to a larger body of research showing that eating organic very well may reduce pesticides in the human body. The study, which was just published in the peer-reviewed journal Environmental Research, finds that families eating a 100 percent organic diet rapidly and dramatically reduced their exposure to four classes of pesticides—by an average of 60 percent—over six days.

Conducted by researchers at the University of California at Berkeley School of Public Health and funded in part by the nonprofit environmental group Friends of the Earth, the study builds on prior studies—including one conducted on adults in Australia, and two on children in Seattle and California—which all similarly found that switching to organic food quickly and substantially reduced pesticide exposures.

“It’s striking that the levels dropped so dramatically after only six days,” said Kendra Klein, senior scientist at Friends of the Earth and one of the report’s authors. “That’s the good news,” she said. “We’re seeing that something you ingest can clear from your body in a few days. The problem is that we’re eating that food so continuously that we’re getting a daily exposure despite the excretion.” MORE

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