Adair (2001) showed that RF radiation to the back at SAR of 7.7 W/kg did not produce an increase in core body temperature despite local increases in temperature at skin level. Adair and her colleagues have produced a series of papers on temperature responses to RF fields in different experimental situations. References to these studies can be found in the "Bibliography" section.
(2005) found that the temperature increases to the external
ear that occur during a cell phone call are due to the insulation
effect of the phone and the electrical power dissipation. Radiofrequency
exposure did not contribute significantly to the temperature
increase. Paredi (2001) noted local temperature increases but
did not differentiate clearly between the various possible causes
of this. Anderson (2007) found that most of the temperature
increase in the cheek during a cell phone call is due to heat
conduction from the handset, and that RF R contributes only
a small part.
Straume A, Oftedal G, Johnsson A.
Skin temperature increase caused by a mobile phone: A methodological
infrared camera study.
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