scholarly journals Exposure time-dependent thermal effects of radiofrequency electromagnetic field exposure on the whole body of rats

2016 ◽  
Vol 41 (5) ◽  
pp. 655-666 ◽  
Author(s):  
Shin Ohtani ◽  
Akira Ushiyama ◽  
Machiko Maeda ◽  
Kenji Hattori ◽  
Naoki Kunugita ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Exposure Time ◽  
Thermal Effects ◽  
Time Dependent ◽  
Whole Body ◽  
Field Exposure ◽  
Radiofrequency Electromagnetic Field

scholarly journals Radiofrequency Electromagnetic Field Exposure and the Resting EEG: Exploring the Thermal Mechanism Hypothesis

2019 ◽  
Vol 16 (9) ◽  
pp. 1505 ◽  
Author(s):  
Loughran ◽  
Verrender ◽  
Dalecki ◽  
Burdon ◽  
Tagami ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Skin Temperature ◽  
Exposure Condition ◽  
Field Exposure ◽  
Double Blind ◽  
Baseline Phase ◽  
High Exposure ◽  
Sham Condition ◽  
Thermal Mechanism ◽  
Radiofrequency Electromagnetic Field

There is now strong evidence that radiofrequency electromagnetic field (RF-EMF) exposure influences the human electroencephalogram (EEG). While effects on the alpha band of the resting EEG have been repeatedly shown, the mechanisms underlying that effect have not been established. The current study used well-controlled methods to assess the RF-EMF exposure effect on the EEG and determine whether that effect might be thermally mediated. Thirty-six healthy adults participated in a randomized, double-blind, counterbalanced provocation study. A water-perfusion suit (34 C) was worn throughout the study to negate environmental influences and stabilize skin temperature. Participants attended the laboratory on four occasions, the first being a calibration session and the three subsequent ones being exposure sessions. During each exposure session, EEG and skin temperature (8 sites) were recorded continuously during a baseline phase, and then during a 30 min exposure to a 920 MHz GSM-like signal (Sham, Low RF-EMF (1 W/kg) and High RF-EMF (2 W/kg)). Consistent with previous research, alpha EEG activity increased during the High exposure condition compared to the Sham condition. As a measure of thermoregulatory activation, finger temperature was found to be higher during both exposure conditions compared to the Sham condition, indicating for the first time that the effect on the EEG is accompanied by thermoregulatory changes and suggesting that the effect of RF-EMF on the EEG is consistent with a thermal mechanism.

scholarly journals Assessment of the Electromagnetic Field Exposure during the Use of Portable Radios in the Context of Potential Health Effects

Energies ◽  
2020 ◽  
Vol 13 (23) ◽  
pp. 6276
Author(s):  
Jarosław Kieliszek ◽  
Joanna Wyszkowska ◽  
Jaromir Sobiech ◽  
Robert Puta
Keyword(s):  
Electromagnetic Field ◽  
Health Effects ◽  
Computer Simulations ◽  
Thermal Effects ◽  
The Body ◽  
Control Group ◽  
Field Exposure ◽  
Potential Health ◽  
Portable Radio ◽  
Neurophysiological Tests

The paper presents research on the electromagnetic hazards related to the flow of electric currents throughout the bodies of employees using portable radios. The values often exceed established limits, which may lead to potential dysfunctions of the body and affect the safety of performed professional duties. The measurements of the electric field (E-field) distribution of a typical commercial portable radio, the limb contact current calculations, and the computer simulations determining a specific absorption rate (SAR) were supplemented with pilot neurophysiological tests. The assessment indicated a large spatial variability of the E-field strength around the devices. The head of the operator and the hand holding the radio were often in the electromagnetic field (EMF), which exceeded the established limits. The calculated SAR values ranged within the permitted limits. The conducted neurophysiological tests showed no effects of EMF exposure in comparison to the control group. The assessment of exposure to the EMF using a portable radio is initially performed by analyzing external measures: both computer simulations and measurements of workers’ limb currents. The SAR values exclude thermal effects; however, they do not eliminate potential neuromuscular effects. More neurophysiological tests are needed to obtain a broader picture of possible health effects.

scholarly journals Personal radiofrequency electromagnetic field exposure measurements in Swiss adolescents

2017 ◽  
Vol 99 ◽  
pp. 303-314 ◽  
Author(s):  
Katharina Roser ◽  
Anna Schoeni ◽  
Benjamin Struchen ◽  
Marco Zahner ◽  
Marloes Eeftens ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Field Exposure ◽  
Exposure Measurements ◽  
Radiofrequency Electromagnetic Field

Effects of Radiofrequency Electromagnetic Field Exposure on Sleep Disturbances

Epidemiology ◽  
2011 ◽  
Vol 22 ◽  
pp. S248-S249
Author(s):  
Evelyn Mohler ◽  
Patrizia Frei ◽  
Alfred Bürgi ◽  
Georg Neubauer ◽  
Axel Hettich ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Sleep Disturbances ◽  
Field Exposure ◽  
Radiofrequency Electromagnetic Field

Radiofrequency Electromagnetic Field Exposure Effects on Antioxidant Enzymes and Liver Function Tests

2012 ◽  
Vol 1 (3) ◽  
pp. 233 ◽  
Author(s):  
Kajal Kumari ◽  
Ramovatar Meena ◽  
Shivendra Kumar ◽  
Paulraj Rajamani ◽  
Hriday Narayan Verma ◽  
...  
Keyword(s):  
Electromagnetic Field ◽  
Antioxidant Enzymes ◽  
Liver Function ◽  
Liver Function Tests ◽  
Field Exposure ◽  
Function Tests ◽  
Radiofrequency Electromagnetic Field
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