Hypersensitivity to RF fields emitted from CDMA cellular phones: a provocation study
Published in: Bioelectromagnetics 2009; 30 (8): 641-650
Aim of study (acc. to author)
continuous for 30 min
lower part of a commercial folder-type phone with the keypad wrapped with 5 mm thick insulation; phone placed in a headset; phone set to testmode for continuous transmission of a clipped
sham exposure was conducted.
effects on the
cardiovascular system: pulse rate, heart rate variability, heart rate ( ECG)
thermoregulation: facial skin temperature
hypersensitivity/ subjective complaints: subjective symptoms: redness, itching, warmth, fatigue, headache, dizziness, nausea, palpitation, indigestion ( oral survey, four-point scale, during the measurement of the physiological variables); perception of radiofrequency exposure (every five minutes; question: "Do you feel the electromagnetic field?")
respiratory rate; skin resistence
Investigated organ system:
Time of investigation:
Main outcome of study (acc. to author)
Study funded by
Ministry of Health and Welfare, Korea
Korea Science and Engineering Foundation
Korea Health 21 R&D Project (of Ministry of Health, Welfare and Familiy Affairs), Korea
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