Pulse Brain · Growing Health Evidence Index
Tier 1 — Meta-analysis / systematic reviewPeer-reviewed

Pesticide exposure and oxidative stress biomarkers in humans: meta-analysis

Gomes, A.R. et al.

2019

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Summary

This meta-analysis, published in Toxicology Letters, synthesises evidence from multiple epidemiological and occupational studies to assess whether pesticide-exposed individuals exhibit elevated oxidative stress relative to unexposed controls. The paper likely reports pooled effect estimates indicating that pesticide exposure is associated with increased lipid peroxidation and altered antioxidant enzyme activity, though heterogeneity across study populations and pesticide classes may limit precision of conclusions. It represents a significant contribution to understanding the mechanistic pathways through which pesticide exposure may contribute to chronic disease risk in agricultural and non-agricultural populations.

UK applicability

Whilst the constituent studies are likely drawn from diverse international settings, the findings are broadly applicable to UK contexts given ongoing regulatory scrutiny of pesticide residues, occupational exposure among UK farm workers, and public health interest in dietary pesticide intake. UK bodies such as the Health and Safety Executive and the Committee on Toxicity may find such meta-analytic evidence relevant to exposure limit-setting and risk assessment.

Key measures

Oxidative stress biomarkers (e.g. malondialdehyde, superoxide dismutase, catalase, glutathione peroxidase); effect sizes (standardised mean differences or odds ratios) across exposure groups

Outcomes reported

The meta-analysis examined the relationship between pesticide exposure and markers of oxidative stress in humans, including measures of lipid peroxidation, antioxidant enzyme activity, and reactive oxygen species. It synthesised findings across multiple studies to quantify the magnitude and direction of association between pesticide exposure and oxidative stress outcomes.

Theme
Nutrition & health
Subject
Pesticides & human toxicology
Study type
Meta-analysis
Study design
Meta-analysis
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0448

Topic tags

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