New 3G study: An increase in headache rating observed

[news.omega]

A new Danish survey on "Cognitive function and symptoms in adults and
adolescents in relation to rf radiation from UMTS base stations" shows:
"An increase in headache rating was observed".

http://www.mast-victims.org/index.php?content=news&action=view&type=newsitem&id=2662

Best regards.

Agnes.
http://www.mast-victims.org

[Omega Group]

Better to read:

New 3G study: An increase in headache rating observed
Denmark
Created: 6 Jan 2008

Cognitive function and symptoms in adults and adolescents in relation

to rf radiation from UMTS base stations.

There is widespread public concern about the potential adverse health
effects of mobile phones in general and their associated base stations
in particular. This study was designed to investigate the acute
effects of radio frequency (RF) electromagnetic fields (EMF) emitted
by the Universal Mobile Telecommunication System (UMTS) mobile phone
base stations on human cognitive function and symptoms. Forty
adolescents (15-16 years) and 40 adults (25-40 years) were exposed to
four conditions: (1) sham, (2) a Continuous Wave (CW) at 2140 MHz, (3)
a signal at 2140 MHz modulated as UMTS and (4) UMTS at 2140 MHz
including all control features in a randomized, double blinded cross-
over design. Each exposure lasted 45 min. During exposure the
participants performed different cognitive tasks with the Trail Making
B (TMB) test as the main outcome and completed a questionnaire
measuring self reported subjective symptoms. No statistically
significant differences between the UMTS and sham conditions were
found for performance on TMB. For the adults, the estimated difference
between UMTS and sham was -3.2% (-9.2%; 2.9%) and for the adolescents
5.5% (-1.1%; 12.2%). No significant changes were found in any of the
cognitive tasks. An increase in headache rating was observed when data
from the adolescents and adults were combined (P = 0.027), an effect
that may be due to differences at baseline. In conclusion, the primary
hypothesis that UMTS radiation reduces general performance in the TMB
test was not confirmed. However, we suggest that the hypothesis of
subjective symptoms and EMF exposure needs further research.
Bioelectromagnetics. © 2007 Wiley-Liss, Inc.

Ingunn S. Riddervold 1, Gert F. Pedersen 2, Niels T. Andersen 3,
Anders D. Pedersen 4, Jørgen B. Andersen 2, Robert Zachariae 5, Lars
Mølhave 1, Torben Sigsgaard 1, Søren K. Kjærgaard 1 *
1. Department of Environmental and Occupational Medicine, Institute of
Public Health, University of Aarhus, Aarhus, Denmark
2. Department of Electronic Systems, University of Aalborg, Aalborg,
Denmark
3. Department of Biostatistics, Institute of Public Health, University
of Aarhus, Aarhus, Denmark
4. Hammel Neurorehabilitation and Research Center, Hammel, Denmark
5. Psychooncology Research Unit, Aarhus University Hospital, Aarhus,
Denmark
email: Søren K. Kjærgaard (s...@mil.au.dk)

Correspondence to Søren K. Kjærgaard, Institute of Public Health,
University of Aarhus, Vennelyst Boulevard 6, Building 1260, DK-8000
Aarhus C, Denmark.

Funded by:
Danish Strategic Research Council
Programme Commission on Non-ionizing Radiation; Grant Number:
2064-04-0009
Click here to view the source article.
http://www3.interscience.wiley.com/cgi-bin/abstract/117874478/ABSTRACT
Source: Bioelectromagnetics, 2007

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