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The inadequacy of the ICNIRP Guidelines govering human exposure to the microwave emissions
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19.02.2006
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G J Hyland - December 2003
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Hits: 546
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The effects of microwaves on the trees and other plants
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12.05.2006
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Hits: 461
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The effects of microwave radiation on the wildlife
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12.05.2006
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Hits: 475
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Symptoms experienced by Users of Digital Cellular Phones: a Study of a French Engineering School
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19.02.2006
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Roger Santini, Marius Seigne, Stephanie Bouffet/ Elsa Defrasne and Mathieu Sage
Laboratoire de Biochimie-Pharmacologie, Institut National des Sciences
Appliquees, 20, Avenue Albert Einstein, 69621 Villeurbanne Cedex, France
Laurence Bonhomme-Faivre
Service de Pharmacie et Pharmacologie, Hopital Paul Brousse, 94804
Villejuif Cedex, France
ABSTRACT
A survey study, using a questionnaire, was conducted in 161 students and workers in a French engineering school on symptoms experienced during use of digital cellular phones. A significant increase in concentration difficulties (p< .05) was reported by users of 1800- MHz (DCS) cellular phones compared to users of 900-MHz (GSM) cellular phones. In users of cellular phones, women significantly (p<.05) complained more often of sleep disturbance than men. The use of both cellular phones and VDT significantly (p<.05) increased concentration difficulties. Digital cellular phone users also significantly (p < .05) more often complained of discomfort, warmth, and pricking of the ear during phone conversations as a function of calling duration per day and number of calls per day.
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Hits: 454
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Subjective symptoms, sleeping problems, and cognitive performance living near mobile basestations
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25.06.2006
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BACKGROUND: The erection of mobile telephone base stations in inhabited areas has raised concerns about possible health effects caused by emitted microwaves. METHODS: In a cross-sectional study of randomly selected inhabitants living in urban and rural areas for more than one year near to 10 selected base stations, 365 subjects were investigated. Several cognitive tests were performed, and wellbeing and sleep quality were assessed. Field strength of high-frequency electromagnetic fields (HF-EMF) was measured in the bedrooms of 336 households. RESULTS: Total HF-EMF and exposure related to mobile telecommunication were far below recommended levels (max. 4.1 mW/m2). Distance from antennae was 24-600 m in the rural area and 20-250 m in the urban area. Average power density was slightly higher in the rural area (0.05 mW/m2) than in the urban area (0.02 mW/m2). Despite the influence of confounding variables, including fear of adverse effects from exposure to HF-EMF from the base station, there was a significant relation of some symptoms to measured power density; this was highest for headaches. Perceptual speed increased, while accuracy decreased insignificantly with increasing exposure levels. There was no significant effect on sleep quality. CONCLUSION: Despite very low exposure to HF-EMF, effects on wellbeing and performance cannot be ruled out, as shown by recently obtained experimental results; however, mechanisms of action at these low levels are unknown.
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Hits: 888
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