Experts Warn: Chemical Pesticides May Elevate Foodborne Illness Risks

Recent developments in food safety highlight a concerning link between the widespread use of chemical pesticides and an increased risk of foodborne illnesses. The U.S. Food & Drug Administration has reported multiple recalls, including over a million cage-free, organic eggs due to salmonella contamination, underscoring the persistent challenge of controlling such pathogens.

Bryan Berger, an engineering professor at the University of Virginia, has dedicated years to researching chemical contaminants in our food supply. In 2022, he founded a company focused on developing natural alternatives to antimicrobial agents currently used in farming. Berger emphasizes that chemical pesticides and antimicrobials not only pose direct health risks through accumulation in food but also contribute to the rise of resistant strains of bacteria like listeria, salmonella, and E. coli.

The problem is exacerbated by the cycle of increasing chemical usage to combat resistant pathogens, which paradoxically leads to higher chemical residue levels and more resilient bacteria. Berger's collaborations with the USDA aim to find all-natural solutions to replace these chemicals, focusing on major foodborne pathogens.

Berger notes the recent surge in food recalls as indicative of a growing problem. For example, he points to a significant salmonella outbreak linked to eggs, which led to the recall of 1.7 million crates. His recent research emphasizes the importance of monitoring and testing, especially in poultry farms, where pathogens like campylobacter are prevalent. The Shenandoah Valley, with its high agricultural activity, is a key area of focus.

Since establishing his company, Berger has moved operations to Waynesboro, Virginia, and is building a manufacturing plant aimed at reducing reliance on antimicrobials, thereby supporting sustainable and regenerative agricultural practices. He advocates for consumers to prioritize foods labeled as produced through regenerative methods, which typically involve minimal processing and fewer preservatives.

Buying directly from local farmers appears to be a promising approach for safer, chemical-free food, especially in regions like the Shenandoah Valley, fostering stronger community support and healthier food choices.

Source: https://medicalxpress.com/news/2025-07-expert-links-chemical-pesticides-foodborne.html