Effect of cell phone radiofrequency radiation on body temperature in rodents: Pilot studies of the National Toxicology Program's reverberation chamber exposure system

Bioelectromagnetics
Michael E WydeDavid L McCormick

Abstract

Radiofrequency radiation (RFR) causes heating, which can lead to detrimental biological effects. To characterize the effects of RFR exposure on body temperature in relation to animal size and pregnancy, a series of short-term toxicity studies was conducted in a unique RFR exposure system. Young and old B6C3F1 mice and young, old, and pregnant Harlan Sprague-Dawley rats were exposed to Global System for Mobile Communication (GSM) or Code Division Multiple Access (CDMA) RFR (rats = 900 MHz, mice = 1,900 MHz) at specific absorption rates (SARs) up to 12 W/kg for approximately 9 h a day for 5 days. In general, fewer and less severe increases in body temperature were observed in young than in older rats. SAR-dependent increases in subcutaneous body temperatures were observed at exposures ≥6 W/kg in both modulations. Exposures of  ≥10 W/kg GSM or CDMA RFR induced excessive increases in body temperature, leading to mortality. There was also a significant increase in the number of resorptions in pregnant rats at 12 W/kg GSM RFR. In mice, only sporadic increases in body temperature were observed regardless of sex or age when exposed to GSM or CDMA RFR up to 12 W/kg. These results identified SARs at which measurable RFR-mediated thermal ...Continue Reading

References

Jan 1, 1992·Bioelectromagnetics·C K ChouJ H Krupp
Feb 28, 1996·JAMA : the Journal of the American Medical Association·P A NuttingS Holcomb
Sep 25, 2004·Radiation Research·Larry E AndersonLyle B Sasser
Oct 5, 2006·Bioelectromagnetics·Thomas TillmannClemens Dasenbrock
Dec 20, 2007·Radiation Research·A SaranC Marino
Jan 26, 2010·Journal of Magnetic Resonance Imaging : JMRI·David H JohnsonDavid L Wilson
Sep 27, 2016·The Journal of Toxicological Sciences·Shin OhtaniKazuyuki Ishii
Dec 9, 2017·IEEE Transactions on Electromagnetic Compatibility·Myles CapstickRonald L Melnick

Related Concepts

Exposure to Radiation
Senility
Metazoa
Pilot Projects
Very High Frequency Waves
Rats, Holtzman
Transportable Cellular Phone
Mouse, Swiss
Rats, Laboratory
Laboratory mice

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