Dielectric properties of porcine cerebrospinal tissues at microwave frequencies: in vivo, in vitro and systematic variation with age.
Peyman A, Holden SJ, Watts S, Perrott R, Gabriel C · 2007
View Original AbstractBrain tissue's response to microwave radiation varies significantly with age, suggesting current safety standards may not protect all populations equally.
Plain English Summary
Researchers measured how microwave radiation (50 MHz to 20 GHz) affects the electrical properties of brain and spinal cord tissues in pigs. They found that white matter and spinal cord tissues showed significant changes with age, while gray matter remained stable. This matters because understanding how different brain tissues respond to microwave frequencies helps us better predict potential health effects from wireless devices.
Why This Matters
This study provides crucial baseline data for understanding how microwave radiation interacts with brain tissue - information that's essential for evaluating the safety of cell phones, WiFi, and other wireless devices. The finding that white matter and spinal cord tissues show age-related variations in their response to microwave frequencies suggests that children and adults may experience different biological effects from the same EMF exposure. The frequency range tested (50 MHz to 20 GHz) encompasses virtually all consumer wireless technologies, from FM radio through 5G networks. What this means for you is that the 'one-size-fits-all' approach to EMF safety standards may not adequately protect people across different age groups, particularly given that developing nervous systems show different electrical properties than mature ones.
Exposure Information
Specific exposure levels were not quantified in this study. The study examined exposure from: 50 MHz-20 GHz
Study Details
The dielectric properties of pig cerebrospinal tissues were measured in vivo and in vitro, in the frequency range of 50 MHz-20 GHz.
The total combined measurement uncertainty was calculated at each frequency point and is reported ov...
White matter and spinal chord showed significant variation as function of animal age, no age-relate...
Show BibTeX
@article{a_2007_dielectric_properties_of_porcine_2524,
author = {Peyman A and Holden SJ and Watts S and Perrott R and Gabriel C},
title = {Dielectric properties of porcine cerebrospinal tissues at microwave frequencies: in vivo, in vitro and systematic variation with age. },
year = {2007},
url = {https://pubmed.ncbi.nlm.nih.gov/17404466/},
}