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Case-control study on occupational exposure to extremely low-frequency electromagnetic fields and glioma risk
Background: Exposure to extremely low-frequency electromagnetic fields (ELF-EMF) was in 2002 classified as a possible human carcinogen, Group 2B, by the International Agency for Research on Cancer at WHO. Methods: Life time occupations were assessed in case-control studies during 1997-2003 and 2007-2009. An ELF-EMF Job-Exposure Matrix was used for associating occupations with ELF exposure (μT). Cumulative exposure (μT-years), average exposure (μT), and maximum exposed job (μT) were calculated. Results: Cumulative exposure gave for astrocytoma grade IV (glioblastoma multiforme) in the...
Occupational exposure to extremely low-frequency magnetic fields and risk for central nervous system disease
An update of a Danish cohort study among utility workers Purpose: Evidence of whether exposure to extremely low-frequency magnetic fields (ELF-MF) is related to central nervous system diseases is inconsistent. This study updates a previous study of the incidence of such diseases in a large cohort of Danish utility workers by almost doubling the period of follow-up. Methods: We investigated the risks for dementia, motor neurone disease, Parkinson disease, multiple sclerosis and epilepsy among 32,006 men employed at the 99 utility companies that supplied Denmark with electricity during the period...
Parkinson’s disease and occupational exposures
A systematic literature review and meta-analyses Objectives: We conducted a systematic literature review to identify studies fulfilling good scientific epidemiological standards for use in meta-analyses of relevant risk factors for Parkinson's disease. Methods: Our search identified 103 original publications on associations between work and Parkinson's disease. GRADE guidelines were used to ensure high scientific quality, and reliable guidelines were applied to classify the papers. Of the 103 articles, 47 fulfilled good scientific standards while 56 were methodologically deficient and thus...
Parkinson’s Disease: Workplace Risk Factors
Parkinson's disease is thought to be the second most common neurological disease (after Alzheimer's), affecting an estimated 34,000 to 60,000 Canadians and 4,500 to 8,000 British Columbians. Previous studies have examined associations between Parkinson's disease and genetic factors, environmental exposures (e.g. pesticides, heavy metals, solvents), and major head trauma. In an earlier study, the research team explored the distribution of Parkinson's disease within occupational groups. That work lead to the development of ideas about potential relationships between the disease and...

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