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Research looks at health impacts of being exposed to multiple pesticides versus just one substance

Exposure to multiple pesticides increases the chances of pregnancy complications compared to exposure to just one pesticide, new peer-reviewed research suggests. The findings raise new questions about the safety of exposure to widely used pesticides and herbicides in food and agricultural communities.

The study, which bio-monitored pregnant women in a heavily agricultural state in Argentina, adds to recent-but-limited evidence pointing to heightened dangers in mixtures of pesticides.

The authors say research into how pesticide mixtures impact human health is important because the vast majority of studies look at exposure to a single pesticide, and regulations on the substances’ use are developed based on toxicity to just one.