Workers exposed to trichloroethylene may face a greater risk of Parkinson's disease. Trichloroethylene, a chemical product, was once widely used to clean metals such as auto parts. The researchers will report their findings at the 62nd Annual Meeting of the American Academy of Neurology in Toronto from April 10 to 17, 2010.
The author of the research paper, Samuel Goldman, MD, Ph.D., of the Parkinson's Disease Institute of the Sun Valley, California, USA, and member of the American Academy of Neurology said: "A population-based study can prove the potential for exposure to trichloroethylene It is the first time in history to increase a person ’s risk of Parkinson ’s disease. Trichloroethylene was once a very popular industrial solvent used for dry cleaning and the removal of grease on metal parts, but due to concerns about health, This chemical is no longer widely used. "
To conduct this study, the researchers collected data on the work experience of 99 pairs of twins, and only one of each twin has Parkinson's disease. All twins are male and have participated in the "Veteran Twins of World War II" study. The reason why scientists regard twins as the research object is that they are genetically identical or very similar, which is an ideal group for the assessment of dangerous environmental factors.
The study found that workers exposed to trichloroethylene were 5.5 times more likely to suffer from Parkinson's disease. The work performed by these high-risk groups includes dry cleaners, mechanics, mechanics or electricians.
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