Pesticide exposure in children lowered with organic food consumption

childrenA study published in the Environmental Health Perspectives, has exposed the rate of exposure in children. The study investigated the impact of food compared to regular food.

The study confirms previous findings specifying that children consuming primarily food in non-agricultural households with no residential use have minimal or no exposures and reported a decrease in urinary pyrethroid metabolite concentrations in children during the diet phase. The lower urinary metabolite concentrations found in children eating diets is consistent with food residue monitoring data that has shown lower residue levels in versus conventionally grown food.

The current study consisted of an diet intervention study in young, low-income Mexican-American children living in urban and agricultural communities. The scientists reported the results of 23 urinary metabolites of OP and pyrethroid , as well as several herbicidal compounds.

The consisted of 40 children, 20 residing in an urban community in the Fruitvale area of Oakland, California, and 20 residing in a predominantly agricultural community in Salinas, California. Eligible families had a child who was between 3 and 6 years of age, was toilet trained, and normally consumed conventional (non-) foods. For participating Salinas families, at least one household resident worked in agriculture.

Families participated in the study for 16 consecutive days and a baseline questionnaire was administered to collect information on household characteristics and exposure behaviors (e.g., recent use at home or workplace). The researchers conducted a home inspection to record information on pest infestations, active ingredients, and proximity to agricultural fields; provided materials for urine specimen collection; and trained parents on how to collect urine specimens and complete child food intake diaries. Parents also submitted a grocery list for food items to be consumed during the diet phase, and the food was delivered to the family on the fourth day. Parents recorded all of the food items and consumed by the child each day based on validated guidelines. Staff conducted daily in-person interviews with the mother when they picked up the urine specimen and the food intake diaries.

The research findings revealed that consistent with other studies, urinary 2,4-D and two measures of OP exposure (total DMs and total DAP metabolites) were lower in children eating an diet. Other frequently detected metabolites for pyrethroids.

The researchers recommend that additional research is needed to clarify the importance of dietary and nondieetary sources of exposure in children as the study revealed that there was non dietary exposure as well.


Effect of Organic Diet Intervention on Pesticide Exposures in Young Children Living in Low-Income Urban and Agricultural Communities

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