Parkinson's disease and pesticide exposures

Finlay D. Dick

Research output: Contribution to journalLiterature review

74 Citations (Scopus)

Abstract

Introduction: Idiopathic Parkinson's disease (PD) is a neuroclegenerative disorder in which loss of dopaminergic neurons in the basal ganglia leads to tremor, bradykinesia, rigidity and postural instability.

Methods: Literature search using Medline with keywords 'Parkinson's disease' and 'pesticides', limited to English, was undertaken, supplemented by articles from the author's files.

Results: Many studies have found an association between pesticides and PD, but no one agent has been consistently identified. Those implicated include organochlorine insecticides, maneb and paraquat. One meta-analysis of pesticide exposure and PD found an almost doubling of risk in those exposed. Associations with specific agents may be confounded by exposure to other pesticides, making it difficult to identify the causative agent.

Conclusions: The available evidence indicates that pesticides are associated with PD, but further research is needed to identify long-term biomarkers of exposure, improve methods for estimating pesticide-exposure and undertake prospective cohort studies of pesticide-exposed workers.

Original languageEnglish
Pages (from-to)219-231
Number of pages13
JournalBritish Medical Bulletin
Volume79-80
Issue number1
DOIs
Publication statusPublished - Jun 2006

Keywords

  • Parkinson's disease
  • parkinsonism
  • pesticides
  • environmental risk-factors
  • paraquat
  • neurotoxicity
  • metaanalysis
  • association
  • MANEB
  • twins
  • work

Cite this

Parkinson's disease and pesticide exposures. / Dick, Finlay D.

In: British Medical Bulletin, Vol. 79-80, No. 1, 06.2006, p. 219-231.

Research output: Contribution to journalLiterature review

Dick, Finlay D. / Parkinson's disease and pesticide exposures. In: British Medical Bulletin. 2006 ; Vol. 79-80, No. 1. pp. 219-231.
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