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Multiple sclerosis and exposure to solvents, ionizing radiation and animals
A M Landtblom1, U Flodin, M Karlsson
1Department of Neurology, University Hospital, Linköping, Sweden.
Scandinavian Journal of Work, Environment & Health
|December 1, 1993
Summary
Environmental factors like solvent exposure may increase multiple sclerosis risk, particularly for men. Occupational exposures and animal contacts were examined in this study on multiple sclerosis (MS) development.
Area of Science:
- Neurology
- Environmental Health
Background:
- Multiple sclerosis (MS) is a chronic neurological disease with suspected environmental links.
- Occupational solvent exposure has been previously associated with MS risk.
Purpose of the Study:
- To further investigate the association between occupational and environmental exposures and the risk of developing multiple sclerosis.
- To identify specific risk factors contributing to MS etiology.
Main Methods:
- A case-control study was conducted using 91 multiple sclerosis cases and 348 referents identified from hospital records in Kalmar and Jönköping.
- Participants completed questionnaires detailing occupational and leisure-time exposures, including solvents and animal contacts.
Main Results:
- Men showed significantly higher risks for MS associated with solvent exposure, occupational contact with dogs or cats, and leisure-time contact with birds.
- Among women, X-ray treatment and prior diseases were identified as risk indicators.
- Combined analysis revealed elevated risks for solvent exposure, radiological work, and previous diseases in both sexes.
Conclusions:
- Findings suggest that various exogenous factors, including solvent exposure and radiological work, may play a role in the development of multiple sclerosis.
- The study highlights potential environmental and occupational contributors to MS, warranting further investigation.