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Study finds high exposure to food-borne toxins
Date:11/13/2012

ay contain high levels of DDE and other persistent organic pollutants, and switch to organic milk. While mercury is most often found in fish, accumulation varies greatly by species. Smaller fish, lower on the food chain, generally have lower mercury levels. In addition, acrilomides are relatively easy to remove from the diet.

"Acrilomides come from chips and other processed grains, said co-author Deborah Bennett, associate professor of Environmental and Occupational Health at UC Davis. "Even if we set aside the potential toxins in these foods, we probably shouldn't be eating large amounts of them anyway. However, we should be eating fruits, vegetables and fish, which are generally healthy foods. We just need to be more careful in how we approach them."

The study also highlights a number of policy issues, such as how we grow our food and the approval process for potentially toxic compounds. Though the pesticide DDT was banned 40 years ago, the study showed significant risk of DDE exposure.

"Given the significant exposure to legacy pollutants, society should be concerned about the persistence of compounds we are currently introducing into the environment," said Bennett. "If we later discover a chemical has significant health risks, it will be decades before it's completely removed from the ecosystem."

While the study has profound implications for dietary habits, more work needs to be done to quantify risk. Specifically, researchers need to determine how these food-borne toxins interact collectively in the body.


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Contact: Dorsey Griffith
dorsey.griffith@ucdmc.ucdavis.edu
916-734-9118
University of California - Davis Health System
Source:Eurekalert

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