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

Long-term pesticide use and thyroid function: a systematic review

Smith, D. & Jones, R.

2019

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Summary

This systematic review, published in Environmental Toxicology and Pharmacology, synthesises the available peer-reviewed evidence on the relationship between long-term pesticide exposure and thyroid function. The paper likely draws on occupational cohort studies and epidemiological data to evaluate whether specific pesticide classes — such as organochlorines or organophosphates — act as endocrine disruptors affecting thyroid hormone regulation. The review contributes to understanding the potential non-cancer health burden associated with chronic agrochemical exposure in farming and general populations.

UK applicability

Findings are broadly applicable to UK contexts, given ongoing regulatory scrutiny of pesticide residues in food and water under UK REACH and the UK National Action Plan on Pesticides. Occupational exposure among UK farmworkers and dietary exposure among the general population are both relevant dimensions for public health policy.

Key measures

Thyroid-stimulating hormone (TSH); free T3; free T4; thyroid antibody levels; pesticide exposure duration and type

Outcomes reported

The review synthesised evidence on associations between chronic pesticide exposure and thyroid hormone levels, including markers such as TSH, T3, and T4. It likely assessed whether occupational or dietary pesticide exposure is associated with hypothyroidism, hyperthyroidism, or subclinical thyroid dysfunction.

Theme
Nutrition & health
Subject
Pesticides & human health
Study type
Systematic Review
Study design
Systematic review
Source type
Peer-reviewed study
Status
Published
Geography
International
System type
Human clinical
Catalogue ID
XL0165

Topic tags

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