Notes

Wellness Effects of EMF Radiation
RF-EMF radiation can cause DNA damage, tissue heating and disrupt the blood-brain barrier. These effects are real, and ARPANSA is actively involved within the EHS group, the medical specialists, and researchers. The agency will continue to study research related to the health impacts of EMF radiation.

DNA damage is caused by RF-EMF
exposed to electromagnetic fields that are created by man (EMFs) is associated with DNA damage and other negative health adverse effects. EMFs can alter the intracellular ionic concentrations that are crucial to maintain the electrochemical balance of cells. It can also disrupt cell homeostasis, resulting in DNA damage. Moreover exposure to EMFs is also associated with the production of free radicals and reactive oxygen species (ROS).

Exposure to RF-EMF radiation has been linked to changes in male germ cells' development. This is due to the development of germ cells into spermatozoa as well maturation of the functional aspect as spermatozoa move across the epididymis. To study the effect of RF-EMF exposure on male germ cell development A specially designed waveguide machine was designed to expose unrestrained mice to RF-EME at 2.2 W/kg.

In a study that was conducted recently, researchers discovered exposure to RF-EME causes oxidative DNA damage in spermatozoa. Browse around this site was increased by 18% after one week of treatment and by 23 percent after 5 weeks. Furthermore, DNA damage in mitochondria was observed by measuring the level of a biomarker, 8-hydroxy-2-deoxyguanosine (8-OH-dG).

Despite this it isn't yet considered a carcinogen. But, numerous studies have shown that exposure to RF-EMF radiation can damage the integrity of DNA in range of cell lines. In one of these studies researchers were exposed Vero cells with an EMF at 100 Hz over about 45 minutes. They assessed DNA damage for at 48 hours following exposure to determine if exposure affected DNA integrity.

RF-EMF causes tissue heating
While the effects of RF-EMF are typically thought to have thermal origins, some studies have shown that non-thermal effects may also be observed. These factors could be responsible for some of the unsolved issues in epidemiological studies of EMF hypersensitivity. It is therefore important to look at the non-thermal aspects when conducting an exhaustive review.

Effects that are not thermal from RF-EMF could be mediated by the cell membrane. This is an area of research that has been thoroughly examined. Particularly the electrochemical properties of cell membranes is being studied. The current understanding is that energy from RF-EMF higher than 1 MHz is transmitted into the tissues through dielectric dissipation and ionic discharge. Studies of the theory have suggested that the energy that is transferred to the tissue could be as high as 200 kV/m.

The electrical properties of tissues are controlled in the form and quantity of water molecules and ions and other molecules in the body. This determines how absorbed EMR from RF is absorbed by different tissues. Tissues with higher conductivity tend to absorb more field and cause more of an effect. This is the reason why the amount of heating in tissues does not increase steadily as it moves from the exterior to the body, but occurs in hot spots. Bone and fatty tissues are less susceptible to heating by RF as compared to other tissues, since they are not as water-based. content.

The intensity of penetration of the electromagnetic field is determined by the strength and frequency of field. Muscle tissue is more able to absorb field energy than other tissues and converts it to heat more efficiently. Usually the penetration depth for RF EMF is determined by millimeters (mm). The greater the frequency, the deeper the penetration.

RF-EMF causes blood-brain barrier disruption
Researchers have found that RF EMF could disrupt the blood-brain barrier changing sleep patterns as well as neurotransmitter levels. In addition the impacts that EMF affect brain function are associated with neurodegenerative diseases. For instance, EMF from mobile phones can alter electroencephalogram activity as well as sleep patterns, as well as the actions of nitric Oxide and xanthin oxidase.

Researchers from the Vienna University have studied the effects of RF-EMF exposure to brain cells. They also studied what effects ELF EMF on nervous system. Though the cellular mechanisms that are involved aren't fully understood, there is a clear association between ELF-EMF exposure and depletion of myelin. This relationship might account for the electro-hypersensitivity symptoms of electro-hypersensitivity. There are, however, known methods to regenerate myelin in the brain.


Researchers have found that exposure to the frequency of 900 MHz EMF caused a rise in the permeability of the BBB and caused an increase in signs of neuronal damage in rodents. They also observed increased extravasation of albumin into neurons. Furthermore, they discovered the following: after about 30 min of exposure to 900 MHz, 99mTc-MIBI increased its diffusion to the cerebral cortex. However this effect didn't occur when using Evans blue injections.

Despite these findings, RF-EMF is not able to provide a definitive method for disrupting the BBB. The evidence suggests that nonthermal EMF exposure increases erythrocyte membrane permeability. This could influence the BBB and increase the efflux of calcium-ion. Furthermore, the presence a 99mTc-MIBI radiotracer in the brain has also been linked to increasing the permeability of the BBB.

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