Thermal effects of mobile phones on facial nerves and surrounding soft tissue

Acar, Gül Özbilen; Yener, Murat; Savrun, Feray Karaali; Kalkan, Tunaya; Bayrak, İbrahim; Enver, Özgün

doi:10.1002/lary.20070

Cited by 17 publications

(14 citation statements)

References 15 publications

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“…Local temperature elevation in the area of MP use has been noted in several studies [34,35]. The sound of a MP is not the same as an actual human voice and usually includes noise [36].…”

Section: Discussionmentioning

confidence: 99%

Clinical features of headache associated with mobile phone use: a cross-sectional study in university students

et al. 2011

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BackgroundHeadache has been reported to be associated with mobile phone (MP) use in some individuals. The causal relationship between headache associated with MP use (HAMP) and MP use is currently undetermined. Identifying the clinical features of HAMP may help in clarifying the pathophysiology of HAMP and in managing symptoms of individuals with HAMP. The aim of the present study is to describe the clinical features of HAMP.MethodsA 14-item questionnaire investigating MP use and headache was administered to 247 medical students at Hallym University, Korea. Individual telephone interviews were subsequently conducted with those participants who reported HAMP more than 10 times during the last 1 year on the clinical features of HAMP. We defined HAMP as a headache attack during MP use or within 1 hour after MP use.ResultsIn total, 214 (86.6%) students completed and returned the questionnaire. Forty (18.9%) students experienced HAMP more than 10 times during the last 1 year in the questionnaire survey. In subsequent telephone interviews, 37 (97.4%) interviewed participants reported that HAMP was triggered by prolonged MP use. HAMP was usually dull or pressing in quality (30 of 38, 79.0%), localised ipsilateral to the side of MP use (32 of 38, 84.2%), and associated with a burning sensation (24 of 38, 63.2%).ConclusionWe found that HAMP usually showed stereotyped clinical features including mild intensity, a dull or pressing quality, localisation ipsilateral to the side of MP use, provocation by prolonged MP use and often accompanied by a burning sensation.

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“…Local temperature elevation in the area of MP use has been noted in several studies [34,35]. The sound of a MP is not the same as an actual human voice and usually includes noise [36].…”

Section: Discussionmentioning

confidence: 99%

Clinical features of headache associated with mobile phone use: a cross-sectional study in university students

et al. 2011

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“…The EMR emitted from cellular phones has insufficient energy to ionize molecules and is not capable of producing direct DNA damage as occurs with diagnostic and therapeutic radiation [2]. The primary thermal effect from cellular phones is the heating of tissue, which has controversial clinical significance [2, 8–10]. EMR emitted from cellular devices couples with the body to create currents within the tissue, potentially having an effect on cellular microenvironments [9].…”

Section: Discussionmentioning

confidence: 99%

Multifocal Breast Cancer in Young Women with Prolonged Contact between Their Breasts and Their Cellular Phones

West

Kapoor

Liao

et al. 2013

Case Reports in Medicine

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Breast cancer occurring in women under the age of 40 is uncommon in the absence of family history or genetic predisposition, and prompts the exploration of other possible exposures or environmental risks. We report a case series of four young women—ages from 21 to 39—with multifocal invasive breast cancer that raises the concern of a possible association with nonionizing radiation of electromagnetic field exposures from cellular phones. All patients regularly carried their smartphones directly against their breasts in their brassieres for up to 10 hours a day, for several years, and developed tumors in areas of their breasts immediately underlying the phones. All patients had no family history of breast cancer, tested negative for BRCA1 and BRCA2, and had no other known breast cancer risks. Their breast imaging is reviewed, showing clustering of multiple tumor foci in the breast directly under the area of phone contact. Pathology of all four cases shows striking similarity; all tumors are hormone-positive, low-intermediate grade, having an extensive intraductal component, and all tumors have near identical morphology. These cases raise awareness to the lack of safety data of prolonged direct contact with cellular phones.

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“…As can be seen from the literature review, studies on the effects of RF radiation on the nervous system are more focused on the central nervous system. There are a limited number of studies that have investigated the effect of RF radiation on peripheral nerves [Acar et al, ; Yegin et al, ; Kerimoğlu et al, ]. Therefore, the present study aimed to investigate the effects of 1800 MHz global system for mobile communications (GSM)‐like RF radiation (average E‐field 6.05 ± 0.67 V/m, whole‐body average specific absorption rate (SAR) value: 0.00421W/kg, in 10 g tissue) on rat sciatic nerve, as well as the possible protective effect of paricalcitol.…”

Section: Introductionmentioning

confidence: 97%

Effect of low‐level 1800 MHz radiofrequency radiation on the rat sciatic nerve and the protective role of paricalcitol

Çömelekoğlu

Aktaş

Demirbag

et al. 2018

Bioelectromagnetics

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The nervous system is an important target of radiofrequency (RF) radiation exposure since it is the excitable component that is potentially able to interact with electromagnetic fields. The present study was designed to investigate the effects of 1,800 MHz RF radiation and the protective role of paricalcitol on the rat sciatic nerve. Rats were divided into four groups as control, paricalcitol, RF, and RF þ paricalcitol. In RF groups, the rats were exposed to 1,800 MHz RF for 1 h per day for 4 weeks. Control and paricalcitol rats were kept under the same conditions without RF application. In paricalcitol groups, the rats were given 0.2 mg/kg/day paricalcitol, three times per week for 4 weeks. Amplitude and latency of nerve compound action potentials, catalase activities, malondialdehyde (MDA) levels, and ultrastructural changes of sciatic nerve were evaluated. In the RF group, a significant reduction in amplitude, prolongation in latency, an increase in the MDA level, and an increase in catalase activity and degeneration in the myelinated nerve fibers were observed. The electrophysiological and histological findings were consistent with neuropathy, and the neuropathic changes were partially ameliorated with paricalcitol administration. Bioelectromagnetics. 39:631-643, 2018.

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Thermal effects of mobile phones on facial nerves and surrounding soft tissue

Abstract: The RFR emitted from a mobile phone can cause temporary FN dysfunction that can be due to temporary temperature increase in the soft tissue around the FN.

Cited by 17 publications

References 15 publications

Clinical features of headache associated with mobile phone use: a cross-sectional study in university students

Clinical features of headache associated with mobile phone use: a cross-sectional study in university students

Multifocal Breast Cancer in Young Women with Prolonged Contact between Their Breasts and Their Cellular Phones

Effect of low‐level 1800 MHz radiofrequency radiation on the rat sciatic nerve and the protective role of paricalcitol

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