Cellphones could be harmful - US Goverment

Feb 5 2003

A study published today in the online edition of the peer-reviewed journal Environmental Health Perspectives (EHP) found for the first time that electromagnetic fields (EMFs) emitted by certain mobile phones damaged neurons in the brains of rats.

The researchers studied 12- to 26-week-old rats because their researchers said their developmental age is comparable to that of human teenagers, who are some of the heaviest users of mobile phones.

"The situation of the growing brain might deserve special concern," the study authors wrote, "since biological and maturational processes are particularly vulnerable. We cannot exclude that after some decades of often daily use, a whole generation of users may suffer negative effects as early as middle age."

Three groups of rats were exposed for 2 hours to GSM mobile phone EMFs of different strengths.

The study found that EMF exposure was associated with leakage of albumin through the blood-brain barrier and neuronal damage that increased in response to the amount of exposure. The authors acknowledged that the study sample was small, but stated that "the combined results are highly significant and exhibit a clear dose-response relation."

Earlier EMF studies have focused on whether exposure might cause cancer, with some studies finding increased risk but most showing no effects or even decreased risk.

"Scientists have been looking for some time at the possible effects of exposure to the energy coming out of cell phones," says Dr. Jim Burkhart, science editor for Environmental Health Perspectives. "These scientists decided to look in a new place, studying potential nerve damage, rather than cancer growth. Their results suggest a strong need for further study as we all rely on cell phones more and more."

The study team was headed by Leif G. Salford of the Department of Neurology at Lund University in Sweden. Other authors include Arne E. Brun, Jacob L. Eberhardt, Lars Malmgren, and Bertil R.R. Persson. The study will appear in a future print issue of EHP.

EHP is the journal of the National Institute of Environmental Health Sciences, part of the U.S. Department of Health and Human Services.

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Health Focus
:: GSM Phones A-Z SAR Levels
:: Top 10 SAR GSM Phones
:: Lowest 10 SAR GSM Phones
:: US-Phones (Analogue+Digital) SAR Levels
:: SAR Levels with Handsfree Kits
:: Radiation Levels of Mobile Base Stations
:: Mobile Manufacturers Forum - MMF (SAR Database)
:: Base station: Health and Safety Brochure (PDF - 490 KB)
 
In some countries, public authorities or the operators themselves have established public databases that provide information regarding the location of base stations within the local community. We will update this information as more public databases become available online.
 

Recent Academic Papers On Mobile Phones and Radiation Issues:

Mobile Phone Exposure Causes Brain Damage in Rats - originally from online peer reviewed health journal
Nerve Cell Damage in Mammalian Brain after Exposure to Microwaves from GSM Mobile Phones
Commentary: Cellular Telephones and Brain Cancer: Current Research
Prevalence of Headache among Handheld Cellular Telephone Users in Singapore: A Community Study
Mobile Telephone Health Concerns Registry (MTHCR)
Current Mobile Phone Health News with more links
A CBS 2 Special Assignment: Dialing Up Danger - A CBS 2 Special Assignment
George Carlo's health registry opens amid criticism
Viewpoint - TNO Report on GSM and UMTS exposures - October 2003 (PDF)
Mobile Phones and Base Stations: Health Policy Update -September 2003 - (PDF)
Health and Safety Fact Sheets - 3G, Bluetooth, TETRA, GSM Pro etc - September 2003
Viewpoint - Mobile Phones and Petrol Station Safety - September 2003 (PDF)
Mobile Phones and Base Stations: Health Policy Update - April 2003 - (PDF)
Flash presentation on 'How Networks Operate' - April 2003 (Requires Flash Player)
Viewpoint - Paris Charter - March 2003 (PDF)
MMF sponsored Seminar: "Mechanisms for Interactions of RF Energy with Biological Systems".



 

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