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agnes
# Posted: 31 Oct 2006 05:33
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UNIVERSITY OF BIELEFELD, GERMANY;
Research results from University of Bielefeld, Department of Epidemiology update knowledge of brain cancer risk factors

Researchers detail in "Occupational exposure to radio frequency/microwave radiation and the risk of brain tumors:
Interphone Study Group, Germany," new data in brain cancer.
According to a study from Bielefeld, Germany, "It is still under debate whether occupational exposure to radio frequency/microwave electromagnetic fields (RF/MW-EMF) contributes to the development of brain tumors.
This analysis examined the role of occupational RF/MW-EMF exposure in the risk of glioma and meningioma."

"A population-based, case-control study including 381 meningioma cases, 366 glioma cases, and 1,494 controls aged 30-69 years was performed in three German regions in 2000-2003. An exposure matrix for occupational activity was constructed by using information on RF/MW-EMF exposure collected in a computer-assisted personal interview. "High" exposure was defined as an occupational exposure that may exceed the RF/MW-EMF exposure limits for the general public recommended by the International Commission on Non-Ionizing Radiation Protection. Multiple conditional logistic regressions were performed separately for glioma and meningioma.
No significant association between occupational exposure to RF/MW-EMF and brain tumors was found.
For glioma, the adjusted odds ratio for highly exposed persons compared with persons not highly exposed was 1.21 (95% confidence interval: 0.69, 2.13); for meningioma, it was 1.34 (95% confidence interval: 0.64, 2.81)," wrote G. Berg and colleagues, University of Bielefeld, Department of Epidemiology.

The researchers concluded: "However, the slight increase in risk observed with increasing duration of exposure merits further research with larger sample sizes."

Berg and colleagues published the results of their research in American Journal of Epidemiology
(Occupational exposure to radio frequency/microwave radiation and the risk of brain tumors:
Interphone Study Group, Germany. American Journal of Epidemiology, 2006;164(6):538-48).

For additional information, contact:
G. Berg, University of Bielefeld, Dept. of Epidemiology and International Public Health, Faculty of Public Health, Bielefeld, Germany.

The publisher of the American Journal of Epidemiology can be contacted at: Oxford University Press Inc., Journals Dept., 2001 Evans Rd., Cary, NC 27513, USA.

agnes
# Posted: 31 Oct 2006 05:34
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Law & Health Weekly

UNIVERSITY OF BIRMINGHAM, UK; Research results from University of Birmingham, Division of Immunity and Infection update understanding of biomedical engineering

Researchers detail in "Occupational exposure to radio frequency/microwave radiation and the risk of brain tumors: Interphone Study Group, Germany," new data in brain cancer. According to a study from Bielefeld, Germany, "It is still under debate whether occupational exposure to radio frequency/microwave electromagnetic fields (RF/MW-EMF) contributes to the development of brain tumors. This analysis examined the role of occupational RF/MW-EMF exposure in the risk of glioma and meningioma."

"A population-based, case-control study including 381 meningioma cases, 366 glioma cases, and 1,494 controls aged 30-69 years was performed in three German regions in 2000-2003. An exposure matrix for occupational activity was constructed by using information on RF/MW-EMF exposure collected in a computer-assisted personal interview. "High" exposure was defined as an occupational exposure that may exceed the RF/MW-EMF exposure limits for the general public recommended by the International Commission on Non-Ionizing Radiation Protection. Multiple conditional logistic regressions were performed separately for glioma and meningioma. No significant association between occupational exposure to RF/MW-EMF and brain tumors was found. For glioma, the adjusted odds ratio for highly exposed persons compared with persons not highly exposed was 1.21 (95% confidence interval: 0.69, 2.13); for meningioma, it was 1.34 (95% confidence interval: 0.64, 2.81)," wrote G. Berg and colleagues, University of Bielefeld, Department of Epidemiology.

The researchers concluded: "However, the slight increase in risk observed with increasing duration of exposure merits further research with larger sample sizes."

Berg and colleagues published the results of their research in American Journal of Epidemiology (Occupational exposure to radio frequency/microwave radiation and the risk of brain tumors: Interphone Study Group, Germany. American Journal of
Epidemiology, 2006;164(6):538-48).

For additional information, contact G. Berg, University of Bielefeld, Dept. of Epidemiology and International Public Health, Faculty of Public Health, Bielefeld, Germany.

The publisher of the American Journal of Epidemiology can be contacted at: Oxford University Press Inc., Journals Dept., 2001 Evans Rd., Cary, NC 27513, USA.

This article was prepared by Law & Health Weekly editors from staff and other reports. Copyright 2006, Law & Health Weekly via LawRx.com.

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