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Cordless phones doubled the heart rate

The intensity of exposure was 200 times lower than approved by safety norms

Cordless phones impacted heart rate according to research by Professor Magda Havas of Trent University, Canada. See diagram below.

Doubling of heart rate during exposure to cordless phone radiation

“DECT” marks the period of exposition to cordless phone radiation. Immediately at the start of radiation exposure, the pulse frequency almost doubled (lower blue peaks – 122 and 129 beats per minute respectively) and returned to normal (66 BPM) immediately as the phone was turned off. The subject did not know when he was exposed.

The study was double-blind, that is, neither the subjects nor the experimenters knew when the radiation occurred.

Also, irregular heart beating occurred at exposure.

Most importantly, the radiation exposure was 200 times lower than approved for cellphones, according to federal guidelines in Canada and the US (1000 microW/cm2, 10mW/m2).

Dr Havas emphasizes that the results are relevant for mobile phones as well, because their radiation is in the same intensity and frequency range.

Link to source

Comment by PSRAST

The most important thing with this study is that it shows that normal levels of mobile phone usage can significantly affect a vital bodily function. Consequently it overthrows the notion that mobile radiation can only have thermal effects (local warming), a notion that lies at the basis of of current safety standards. This result indicates that the radiation intensity has to be lowered considerably to ensure that no adverse health effects arise from radiation.

It is conceivable that this effect occurs through the sudden large influx of calcium in the heart, as demonstrated by other research (Rao et al). Sudden calcium influx into cardiac cells has been found to trigger irregular heart beat (Bjorn Knollman, Vanderbilt University). The effect on calcium flow is instantaneous. It is striking that the heart rate increase in the study above also was instantaneous. One can speculate on the possibility that the microwave pulsation may maintain the frequencyincrease.

Reference

Rao VS, Titushkin IA, Moros EG, Pickard WF, Thatte HS, Cho MR. Nonthermal effects of radiofrequency-field exposure on calcium dynamics in stem cell-derived neuronal cells: elucidation of calcium pathways. Radiat Res. 2008 Mar;169(3):319-29.

Addition

Replication obstructed

At our website we commented in 2010:

“Further confirmation of this kind of result as planned by Dr Olle Johansson would cost the mobile phone industry billions, because all phones need to be rebuilt and the base station network will have to be adapted to the reduced radiation levels which will be extremely costly. Therefore the industry can be expected to use their huge power to “neutralize” this threat in every possible way including the usual suppression of research with obstruction of “undesirable” research, harrassment of scientists, generation of falsified research and unfounded bagatellizing statements by corrupt top scientists, see Corrupt Science“.

Unfortunately, the foreboded obstruction did happen. Professor Olle Johansson, who works at the Karolinska Institute, was prevented by the Institute to carry through the planned replication because his lab was taken away from him almost immediately after he had declared the intention to do the replication.

A coincidence? What we know is that the Institute has obtained at least one big grant from the Mobile Phone Industry. Also the Karolinska Institute is ranked among the top research institutes in the world, famous for being responsible for selecting the Nobel Prize winners in medicine. A replication from such a prestigious institute would have had especially strong weight.

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