Friday, 11 March 2011
Does recent electromagnetic research provide more evidence of its side effects?
A series of new electromagnetic research began to emerge, which revealed more dangers to health form electromagnetic field. It caused several earlier electromagnetic studies' verdict of "no harm caused" to be reversed.
Electromagnetic Research in 2002
A study in Eidemiology associates a 3-fold increase in overall spontaneous abortions and a 6-fold increase in spontaneous abortions before the 10th week of pregnancy with momentary exposure to magnetic fields greater than 16 mG.
The New Scientist reports that the above study caused a California Health Services department scientist, Raymond Neutra, to reexamine his 1991 study of 727 women.
Originally, his study had measured average magnetic field exposures and with inconclusive results. However, when Neutra reanalyzed his earlier data, he found that women exposed to peak magnetic field levels great than 14 mG doubled their risk of miscarriage over those without such exposure.
Dr Paul Vailleneuve of University of Ottawa finds in a study that those exposed to moderate 6 mG magnetic fields increased their chances of developing an aggressive brain tumor known as glioblastoma multiforme, by 12 times.
A California Department of Health Sciences' Evaluation concludes electromagnetic field "can cause some degree of increased risk of childhood leukemia, adult brain cancer, Lou Gehrig's Disease and miscarriage."
The Evaluation, the end results of a 9-year, US$7 million electromagnetic research effort, further concludes that magnetic fields may cause suicide and adult leukaemia.
A study conducted in Netherlands shows that intermittent power frequency magnetic fields cause more DNA breaks that do steady fields.
Another study, published in Cancer Cell International, shows that extremely low frequency electromagnetic fields can have a potentially damaging effect on the process of cell division in radiation-injured cells, which could lead them to become cancerous.
The UK's National Radiological Protection Board (NRPD) says it may reduce its limits for electromagnetic field exposures and require homes to be at least 150 meters away from power lines.
In an article in Toronto Star, Canadian scientist Magda Havas concludes that Canadian cities had magnetic field intensities that exceed those shown to be associated with childhood leukaemia.
A 3-year government sponsored study (conducted by the former Japanese Science and Technology Agency, now part of the education ministry) finds that exposure to electromagnetic waves from high-voltage power line and some electronic appliances could increase the risk of brain tumor among children who live close to the source of emission.
The study finds that children exposed to more than 0.3 microTesla of extra-low frequency (3 times the normal level) are 10 times more likely to develop brain tumor.
A joint study by Kitasato Institute Hospital and Japan Offspring Fund finds that blood flow to brain changes with radiowave exposure. The research group measured the changes in amount of blood flow in 10 people, 5 of whom have symptoms of hypersensitivity to electromagnetic waves. They found that brain's blood flow in those with the hypersensitivity fluctuated with exposure to the waves.
They believe the electromagnetic waves disrupted nerve system and thus caused changes in blood flow, or the ability to maintain brain's blood flow at a certain level was reduced.
Many people with irritations linked to electromagnetic waves also have problems moving their eyeballs and abnormality in their pupils' reaction to light.
Dr Yuri Grigoriev was the Chairman of Russian National Committee of Protection from Non-ionizing Radiation. At a groundbreaking International Conference on Electromagnetic Fields and Human Health in Almaty, Kazakhstan, Dr Grigoriev presents Russian electromagnetic research collected over the last 20 years on EMF exposure.
Many common household devices exceed the recommended magnetic field intensity at close range. Computers and workstations have also increased our electromagnetic radiation exposure.
Dr Grigoriev stresses the negative influence of mobile phones in creating irradiation patterns of the brain. He further illustrates his point by showing very impressive slides of electromagnetic radiation effects on chick embryos.
According to his research, chick embryos experience 50% mortality after 21 days of mobile phone radiation exposure, compared to only 10% in control animals.
He feels that electromagnetic field represent perhaps the greatest danger facing humanity at this time.