Warning Signal to Schools Using Wi-Fi

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BY KATHRYN TORNEY
EDUCATION CORRESPONDENT
ktorney at belfasttelegraph.co.uk

PARENTS should be allowed to withdraw their children from wireless computer network areas within Northern Ireland’s schools, a teaching union has claimed.

The Association of Teachers and Lecturers has challenged the government’s position that there is no risk to pupils in schools from Wi-Fi.

ATL director Mark Langhammer commented said: “A safety-first approach would oblige governors and education employers to monitor and report on Wi-Fi provision in schools.

“It could allow for parents to withdraw their children from Wi-Fi areas of the school and it would oblige government to test and measure, based on biological, as well as thermal criterion.”

A Lisburn school principal has already disconnected his school’s Wi-Fi equipment after a parent approached him about health concerns linked to the technology, Ian Thomson, from Ballinderry Primary, said: “The PTA member was concerned about the possible adverse effects of the radiation produced by the Wi-Fi equipment.

“I wondered if the advantages of Wi-Fi outweighed the risks to the children and staff. I looked at evidence from both sides and have decided not to use this new technology in our school at present.”

Professor Olle Johansson, one of the world’s leading experts on the effects of Wi-Fi addressed politicians at Stormont on Tuesday.

Dr Johansson, who lectures at Sweden’s Nobel prize-winning Karolinska Institute in Stockholm, featured in the controversial BBC Panorama programme “Wi-Fi: A Warning Signal”.

During his presentation at Stormont, he raised the possibility of health risks from Wi-Fi for children and staff in schools.
Voice, a union for education professionals, has called on the government to commission a full scientific investigation into the effects of wireless technology in schools.

Walter Graham, a local campaigner who invited Professor Johansson to Northern Ireland, is concerned about radiation being introduced to schools.

He said: “As a parent of two children at different schools, I find it quite surprising that I have never been informed that Wi-Fi was being installed in their classrooms and of any possible dangers associated with the technology.”
A spokeswoman for the Department of Education said: “The welfare and safety of children and staff in school is paramount. The Health Protection Agency (HPA) has consistently advised that it does not consider there to be a problem with the safety of wireless computer networks (WiFi).

“The HPA announced in October 2007, that it will conduct a systematic programme of research over a period of two years which will include the investigation of levels of exposure from WiFi networks. The Department will monitor the progress of the HPA programme of research.

“Classroom 2000 (C2k) does not currently use WiFi for widespread connectivity of its equipment but has supported schools in limited deployment. WiFi is likely to be used in more schools as ICT use for teaching and learning expands.
“Best advice at present indicates that the risk to health from WiFi radiation is very low and that WiFi equipment satisfies international guidelines,” said the spokeswoman.

Educational Cell Phone Ebook

14 Ways You Can Reduce Cell Phone Radiation

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http://www.emfnews.org

The following list is sorted from lowest cost/easiest to the highest cost /hardest solution.
You should try to achieve at least a 10X reduction in cell phone Radio Frequency Radiation.
The solutions multiply, so a 2X and 5X would be reduce RF by 10X

• Use a speaker phone. Many speakerphones now sound good. 5X-100X
The use of a speakerphone keeps the cell phone a long way from your brain and body
Note: sometimes use of a speakerphone will bother those around you.

• Alternate which ear you listen to the cell phone with.
This, by itself, will reduce the radiation to each side of your head by 2X

• Reduce the total amount of time using the cell phone.
Use wired or cordless phone for long conversations. 2X – 20X
Note: Cordless phones made since about 2001 put out much less radiation
Note: Can use call forward on virtually all cell phones:*72NumberToCall to start, *73 to stop

• Minimize use of your cell phone where you have weak signals: possible areas include: rural, in house, in car,….
Cell Phone power level/radiation level can be 100X stronger when you have weak signals (one bar or no bar) – the cell phone has to shout!. 2X-10X

• Change network/provider if you can determine that the new provider has a much stronger cell signal in your house -so that the cell phone will no longer have to shout.
3X? – 100X? Also reduces dropouts and dropped calls. Note: The new provider may require a different cell phone.
http://www.wirelessadvisor.com/ quick way to find providers in your area code

• Use a headset. 5X – 20X cost $10 to $50
Some headsets claim noise rejection. They cost $30 – $100

You may want to use the Airtube Bluetube Headset Technology.
you may want to use a clamp-on RF choke/ferrite bead which is put around the headset wire
such as at http://www.mercola.com/forms/ferrite_beads.htm

• Buy a cell phone with a very low SAR rating 2X – 10X cost $0 to $100
A cell phone with a SAR of 0.5 has 2X less RF than a SAR of 1.0.
http://www.sarvalues.com/usa-complete.html SAR info – US and UK
http://stanford.wellsphere.com/wellmix360/cell-phone-sar SAR info US

• Use cell phone with an external antenna connector to reduce dropouts and dropped calls. 30X. Cost $20 -$300.
If your signal level is not too low you might be able to use an antenna inside your home.
Note: This external connection tethers you to a wire while in the home.

• Wear a Bluetooth device on your ear or over your head. 5X-20X Cost $50 to $200
Provides hands-free (but not distraction-free) driving, which is now required in most states.
Bluetooth with noise rejection also greatly reduces background noise for your listener.
Top noise canceling models (fall 2008) Motopure and Jawbone II both cost about $100.
Note1: Some BlueTooth devices cannot be put on quickly enough to answer an incoming call.
Note2: Bluetooth conversations are not as private as with cell, but Bluetooth conversations are probably more private than those using speakerphones.

• Buy a new product called a femtocell for your home. 20X? Cost approx. $100 + $4 per month
This greatly increases the cell signal strength in your home so your cell phone does not have to shout..
Shares DSL internet connection with WiFi.
This solution assumes that most of your cell phone usage is in your home.
Femtocell will eliminate dropouts/dropped calls around the house.
May produce RF all of the time – I do not know.
http://news.cnet.com/8301-1035_3-10077463-94.html
http://www.eweek.com/c/a/Mobile-and-Wireless/Verizon-Wireless-Ponders-Femtocells/

• Buy a cell phone signal amplifier or repeater. 20X? Cost $100-$400
This wireless solution which assumes that you have good cell signal outside of your house.
Nextivity is one that may be available to buy through your provider in 2009
This assumes that the majority of your cell phone hours are in your home.
Also reduces dropouts and dropped calls. May produce RF all of the time – I do not know.

• Change the relationship between your cell phone and your head occasionally (angle, height, tilt, rotation, etc.) 2X – 5X
You want to reduce the amount of RF to specific parts of your body. RF is not like nuclear radiation where you are concerned about total body dose.

• It appears that many SmartPhones, Touchscreen phones, and some recent cell phones use broadband EVDO for voice calls, not just data. 2X – 10X – where EVDO is available .
Cost $100 to $500. EVDO tends to need less RF as it uses more efficient modulation (weaker signal can be used).
Should reduce dropouts and dropped calls. Provider may charge extra per month for its use.

• Some Cell Phone and RF hazard links include
http://www.powerwatch.org.uk/ Cell phone, WiFi, Power Lines, etc,
http://www.radiationresearch.org/
http://www.acrbr.org/
http://en.wikipedia.org/wiki/Mobile_phone_radiation_and_health
http://www.fcc.gov/cgb/sar/ FCC
http://www.bluetruth.com/ one of many suppliers of bluetooth devices: over-ear and over-head
http://www.cellreception.com/towers/ Map of cell phone towers near you (US)
http://www.phonescoop.com/phones/finder.php Can select between 93 features.

You can edit your search, so do not need to re-enter the features wanted each time.
Does not have reception quality – I do not know of any web site which does, either.

http://www.repeaterstore.com/index.html
Cell phone repeater store with variety of products
Cell phone bars are very misleading, vary between cell phones, and the display is typically infrequently updated.
I suggest that you make a dummy/free call every time you want to get an updated view of the cell phone signal level.
More on cell bars: http://arstechnica.com/articles/paedia/cell-bars-reception.ars

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Cell phones and blood-brain barrier – new study

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“It seems quite possible that bystanders in the vicinity of mobile phone users may be affected through passive GSM exposure, as well as larger groups exposed from distant base-stations.”

“…two-hour exposures to cell phone GSM microwave RF resulted in leakage of albumin across the blood-brain barrier (BBB) and in neuron damage.”

“The most remarkable observation in our studies on the effects of microwaves on the BBB is the fact that the lower SAR values (around 1 mW/kg) give rise to more pronounced albumin leakage than the higher SAR values. If increase in dose had led to increased response, we feel that the risk of cellular telephones, base-stations, and other RF-emitting sources could be managed by reduction of their emitted energy. The indications from our study that the weakest fields are the biologically most harmful, poses a complicated problem. The most pronounced BBB-opening effect of the mobile telephone may not be in the most superficial layers of the brain, but several centimeters deep in central cerebral structures.”

Cell phones and blood-brain barrier – new study
Tuesday November 11th 2008, 7:34 am
From Cindy Sage
CHE-EMF Working Group

A new study from Sweden has been published by Eberhardt et al, and is co-authored by veteran EMF
researchers Leif Salford and Bertil RR Persson of Lund University.

The study reports that cell phone GSM frequency exposure induces pathological leakage of albumin across the blood-brain barrier. Such effects have been reported in prior studies (for example, Salford 2003 and Schirmacher, 2007).
The blood-brain barrier is a critical structure in the brain that separates the flow of blood through the brain from the brain matter itself. Blood contains toxins being carried to excretory organs and also certain molecules like albumin that can be lethal to brain tissue. Exposure to extraordinarily small RF levels on the order of …. may open’ the blood-brain barrier, making it ‘leaky’ and allowing toxins and molecules to cross directly into the brain, which in turn can cause nerve cell damage and neuron death.

Eberhard et al (2008) report that two-hour exposures to cell phone GSM microwave RF resulted in leakage of albumin across the blood-brain barrier (BBB) and in neuron damage. Neuronal albumin uptake was significantly correlated to occurrence of damaged neurons when measured at 28 days post-exposure. The lowest exposure level was 0.12 mW/kg (0.00012 W/kg) for two hours. The highest exposure level was 120 mW/kg (0.12 W/kg). The weakest exposure level showed the greatest effect in opening the BBB, and in neuron damage and death.

The current FCC exposure limit is 1.6 W/kg and the ICNIRP exposure limit is 2 W/kg.
“The most remarkable observation in our studies on the effects of microwaves on the BBB is the fact that the lower SAR values (around 1 mW/kg) give rise to more pronounced albumin leakage than the higher SAR values. If increase in dose had led to increased response, we feel that the risk of cellular telephones, base-stations, and other RF-emitting sources could be managed by reduction of their emitted energy. The indications from our study that the weakest fields are the biologically most harmful, poses a complicated problem. The most pronounced BBB-opening effect of the mobile telephone may not be in the most superficial layers of the brain, but several centimeters deep in central cerebral structures. It seems quite possible that bystanders in the vicinity of mobile phone users may be affected through passive GSM exposure, as well as larger groups exposed from distant base-stations. More, substantial research is needed, however, before reliable dose-response relationships can form the basis for recommendations for future exposure limit values that take into account non thermal effects of microwaves from mobile communications on the human brain.”

JL Eberhardt BRR Persson AE Brun LG Salford LOG Malmgren, 2008.
Blood-brain barrier permeability and nerve cell damage in rat brain 14 and 28 days after exposure to microwaves from GSM mobile phones. Electromagnetic Biology and Medicine 27:215-229. DOI:10.10801536370802344037
Submitted by:
Cindy Sage
CHE-EMF Working Group

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PYLONS ‘DOUBLE RISK OF DYING FROM DEMENTIA’

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PYLONS: Linked to dementia
LIVING close to pylons and high-voltage cables doubles the risk of dying from Alzheimer’s disease and senile dementia, a study claims.
Researchers say they have found a direct link between the electromagnetic fields created by power lines and all types of dementia.

The study by doctors at Bern University’s Institute of Social and Preventative Medicine in Switzerland is the latest evidence pointing to the dangers posed by power lines.

An estimated 150,000 Britons live within the 165 ft danger zone of electricity pylons, according to Professor Denis Henshaw, an expert on human radiation.

And last night the University of Bristol scientist said: “It is now time that electricity pylons are pulled down and power cables are buried in highly populated areas of the country.”
It is now time that electricity pylons are pulled down.
Professor Denis Hensha

However, National Grid, which manages the network, said putting high-voltage cables underground posed different risks and was prohibitively expensive.

It said: “Underground cabling for high-voltage lines can cost between six and 17 times as much as using overhead lines.

“Underground cables can also pose more of a risk because of the danger of them being hit by excavation, and they are more difficult to maintain.”
The UK has at least 14,000 miles of high-voltage cable carrying electricity from power stations to homes and businesses.

The Swiss team, led by Professor Matthias Egger, found the risk of developing Alzheimer’s increases the longer people live next to electricity pylons.

He said yesterday: “Anyone who lives within the immediate vicinity of high-voltage power lines for more than 10 years has a significantly higher risk of developing dementia or Alzheimer’s.”

The paper has been published in the American Journal of Epidemiology.

Professor Henshaw claims that radiation caused by power lines and other high-power electrical sources stops the body creating the natural hormone melatonin in the pineal gland, which is lacking in Alzheimer’s sufferers.

He said: “This paper is like the final piece of a jigsaw. The link between childhood leukemia and power lines is already accepted by everybody. And there is strong evidence of a link to other diseases as well.”

Professor Egger warns that sleeping next to a radio-operated alarm clock or living beside an electrified railway line present a similar dementia risk, due to proximity of the radiation source and the strength of the electric charge. He said: “Anything that is plugged in and that is on all the time and that is near to your body is a source of this type of radiation.”

National Grid said last night: “We recognise that there is some scientific evidence suggesting certain specific health effects may be linked to electric and magnetic fields. This can cause public concern.

“However, the balance of evidence remains against electric and magnetic fields causing ill health.”

Last night the Department of Health said it was reviewing its position in the light of the study.

Harold Wilson may have had early Alzheimer’s when he resigned as Prime Minister in 1976, research into his final Commons speeches suggests.

The study, which indicated cognitive deterioration, appears in the Journal of Neurolinguistics.

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