Pulse Brain · Growing Health Evidence Index
Tier 2 — RCT / large cohortPeer-reviewed

Organic diet intervention significantly reduces urinary pesticide biomarkers in adults

Hyland, C. et al.

2019

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Summary

This intervention study examined the effect of substituting a conventional diet with an organic diet on urinary excretion of pesticide metabolites in adult participants. Published in Environmental Research in 2019, the paper likely demonstrates that short-term adoption of an organic diet leads to measurable and significant reductions in pesticide biomarker levels, contributing to the evidence base linking dietary source with pesticide exposure in non-occupational settings. The findings support the view that food choice is a primary determinant of pesticide body burden in the general population.

UK applicability

Although the study was likely conducted in a US context, the findings are broadly applicable to UK adults, particularly given comparable reliance on conventional food supply chains and similar classes of pesticides approved for use in UK agriculture; the results may inform UK dietary guidance and reinforce arguments for expanding organic food access.

Key measures

Urinary pesticide metabolite concentrations (ng/mL or µg/L); percentage change in biomarker levels pre- and post-intervention; specific organophosphate and pyrethroid metabolites

Outcomes reported

The study measured urinary concentrations of pesticide metabolites in adults before and after switching to an organic diet, reporting statistically significant reductions in biomarker levels following the dietary intervention.

Theme
Nutrition & health
Subject
Pesticide exposure & dietary health
Study type
Research
Study design
RCT
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Human clinical
Catalogue ID
XL0235

Topic tags

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