Pulse Brain · Growing Health Evidence Index
Tier 3 — Observational / field trialPeer-reviewed

Pesticide residue intake and cognitive decline in older adults

Chiu, Y.-H. et al.

2018

Read source ↗ All evidence

Summary

This study investigates whether cumulative dietary exposure to pesticide residues is associated with accelerated cognitive decline in older adults, drawing on longitudinal dietary and cognitive assessment data. Published in Environmental Research in 2018, the paper by Chiu and colleagues likely uses food frequency questionnaires or dietary recall data combined with residue databases to estimate pesticide exposure, then relates this to cognitive performance trajectories. The findings are likely to suggest that higher pesticide residue intake is associated with poorer cognitive outcomes, though causality cannot be established from an observational design.

UK applicability

Although the study is likely conducted in a US cohort, the findings are broadly relevant to UK public health and food safety policy, particularly given ongoing debates around pesticide maximum residue levels, dietary risk assessment, and the cognitive health of an ageing population.

Key measures

Pesticide residue intake estimates (derived from dietary assessment); cognitive function scores (e.g. global cognition, memory, executive function); rate of cognitive decline over follow-up period

Outcomes reported

The study examined the association between dietary intake of pesticide residues and trajectories of cognitive decline in an older adult population, likely assessing performance across multiple cognitive domains over time.

Theme
Nutrition & health
Subject
Pesticides & human health
Study type
Research
Study design
Observational cohort
Source type
Peer-reviewed study
Status
Published
Geography
United States
System type
Human clinical
Catalogue ID
XL0862

Topic tags

Pulse AI · ask about this record

Dig deeper with Pulse AI.

Pulse AI has read the whole catalogue. Ask about this record, its theme, or how the findings apply to UK farming and policy — every answer cites the underlying studies.