DECT Phones and Brain Tumors

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Protection Against Cell Phone Radiation

Cell Phone Radiation Protection

Electrosensitivity

Irrelevant research

In July 2006, the findings of an epidemiological study on DECT phone use by Joachim Schuz et al was published in Radiation Research . This study found no evidence of a higher risk of brain tumours (Glioma and Meningioma) in a small number of exposed subjects that slept close to a DECT base station in the bedroom. (16) This study will no doubt be quoted by the DECT industry as proof that their phones are safe, but the concerns over DECT phones and possible health hazards have not been about the possibility of brain tumours, as examined in this article. Simply put: the researchers did not look at the relevant health issue. A far more useful investigation could have looked for sleep disruption and fatigue in the subjects sleeping next to a DECT phone.

As for a lack of statistical power, out of the total of 747 cases of Glioma and Meningioma combined in the Schuz study, only 10 people were identified who had definitely or possibly placed their DECT cordless phone base station by the bed.
In addition, brain tumors can take many years to develop, with evidence pointing to a 10-year latency. (17) The case could therefore be made that widespread DECT phone use has not gone on long enough to see any population trends in relation to brain tumour incidence. For example, in the Schuz et al study, out of 366 Glioma cases only two had used DECT for 5+ years (controls 732/6) and for the 381 Meningioma cases only four were in the 5+ year category (controls 762/7). (18)

Therefore the study’s conclusion that it is “a first indication that residential low-level exposure to RF EMFs may not pose a higher risk of brain tumors” is overstating the case.

Madagascar, Antananarivo
Tamworth, Australia
Guyana, Georgetown
Sweden, Stockholm
Greece, Athens
Macedonia, Skopje
Mauritius, Port Louis
Joliet, Illinois, USA
Gabon, Libreville
United Arab Emirates, Abu Dhabi

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DECT Cordless Phone Radiation To Reduce The Radiation Intensity

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Cordless Phones Health Risks

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Cell Tower Radiation

Specifically in relation to DECT phones the IGUMED called for a ban on DECT telephones in preschools, schools, hospitals, nursing homes, events halls, public buildings. They also called for a revision of the DECT standards to reduce the radiation intensity. (13)

The German Federal Radiation Protection Agency (Bundesamt fur Strahlenschutz – BfS) has expressed concerns over DECT phone use. They stated in a January 2006 press release that a DECT cordless phone is often the strongest single source of microwave radiation in a private home. To prevent possible health risks the Agency recommended minimizing personal radiation exposure (if a DECT phone is used) by placing the base station in a place where you do not spend much time, for example a hall. For the workplace the Agency specifically advised to avoid placing DECT phones on work desks and called upon manufacturers to redesign the phones to include a feature of power output control, so that the power output during a call would be adapted to the distance of the handset from its base station. This would allow phone use only to the level of power necessary to keep the communication going and power would be down while on standby and connected to the base station/charger. (14)

In December of 2005 the Public Health Department, Salzburg Region, Austria issued advice to the government, schools and parents warning of the lack of studies available on either shortterm or long-term health effects from WLAN and DECT devices. However the department saw evidence of possible adverse effects such as headaches, concentration difficulty, restlessness, and memory problems etc. The official advice of the Public health Department is not to use WLAN and DECT in Schools or Kindergartens. (15)

Of course the industry manufacturing DECT technology say that there is no conclusive evidence that DECT technology is harmful. This is true, especially considering that the technology is being developed and marketed well before any relevant research on possible long-term health effects. For example:

Portugal, Lisbon,
Orange, Australia,
Switzerland, Bern,
Solomon Islands, Honiara,
Hampton Virginia USA
Horsham, Victoria,
Kyrgyzstan, Bishkek,
Warrnambool Victoria Australia
Seychelles Victoria
Fort Wayne Indiana USA

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