Absorption of wireless radiation in the child versus adult brain and eye from cell phone

Bron: www.sciencedirect.com/science/article/pii/S0013935118302561
Environmental Research
Available online 5 June 2018

Absorption of wireless radiation in the child versus adult brain and eye from cell phone conversation or virtual reality

C.Fernández a A.A.de Salles b M.E.Searsc d R.D.Morris d D.L.Davisde
a Federal Institute of Rio Grande do Sul, IFRS, Canoas 92412-240, Brazil
b Federal University of Rio Grande do Sul, UFRGS, Porto Alegre 90050-190, Brazil
c Prevent Cancer Now, Canada
d Environmental Health Trust, USA
e The Hebrew University of Jerusalem, Israel

Received 1 September 2017, Revised 8 May 2018, Accepted 11 May 2018, Available online 5 June 2018.

Highlights

• More cell phone radiation is absorbed by children's inner brain tissues than adults’.
• Children's radiofrequency radiation exposure should be reduced.
• Further research to evaluate the risks to the eye from use of VR is urgently needed.
• It is biologically relevant and feasible to reduce the standards’ averaging volume.
• Current methods to determine wireless device compliance should be revised.

Abstract
Children's brains are more susceptible to hazardous exposures, and are thought to absorb higher doses of radiation from cell phones in some regions of the brain. Globally the numbers and applications of wireless devices are increasing rapidly, but since 1997 safety testing has relied on a large, homogenous, adult male head phantom to simulate exposures; the “Standard Anthropomorphic Mannequin” (SAM) is used to estimate only whether tissue temperature will be increased by more than 1 Celsius degree in the periphery. The present work employs anatomically based modeling currently used to set standards for surgical and medical devices, that incorporates heterogeneous characteristics of age and anatomy. Modeling of a cell phone held to the ear, or of virtual reality devices in front of the eyes, reveals that young eyes and brains absorb substantially higher local radiation doses than adults’. Age-specific simulations indicate the need to apply refined methods for regulatory compliance testing; and for public education regarding manufacturers' advice to keep phones off the body, and prudent use to limit exposures, particularly to protect the young.

Keywords
RF-EMF exposureSpecific absorption rateDosimetryFinite-difference Time-domain simulation

Zie ook:
ehtrust.org/new-publication-children-absorb-2-5-times-higher-doses-of-microwave-radiation-than-adults-from-virtual-reality-systems/ .



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