Study type:
Medical/biological study
(experimental study)
Report of final results regarding brain and heart tumors in Sprague-Dawley rats exposed from prenatal life until natural death to mobile phone radiofrequency field representative of a 1.8 GHz GSM base station environmental emission
med./bio.
By:
Falcioni L, Bua L, Tibaldi E, Lauriola M, De Angelis L, Gnudi F, Mandrioli D, Manservigi M, Manservisi F, Manzoli I, Menghetti I, Montella R, Panzacchi S, Sgargi D, Strollo V, Vornoli A, Belpoggi F
This is so far the largest long-term study ever performed in rats on the health effects of radiofrequency fields, including 2,448 animals. The study can be regarded as complementary to the long-term study conducted by the NTP (NTP, 2018), which used near fieldexposure and significantly higher field strengths. In this article, only the partial results for heart and brain are presented, further results will be published in the future. Four groups of rats were examined: 1) exposure to 5 V/m (male n=401, female n=410), 2) exposure to 25 V/m (male n=209, female n=202), 3) exposure to 50 V/m (male n=207, female n=202), 4) sham exposure (male n=412, female n=405).
rats of each group were located in separate rooms with the same environmental conditions (i.e., temperature of 22 ± 3°C, a relative humidity of 40–60% and 12 h/day homogeneous illumination); rooms were totally shielded with RF absorbing material and ensured a minimum insulation of 30 dB; 5 rats were housed in one polycarbonate cage, respectively
Setup
each single exposure device served at least 400 rats; rat cages were located in wooden circular-shaped devices on several levels up to a height of about 1.6 m; each level formed a ring at a distance of about 2 m from the antenna in the center; a collinear antenna (a phased array of stacked dipoles) was able to transmit a homogeneousfar field with cylindrical distribution of the field strength (field uniformity better than 3 dB); the output levels were controlled with a closed loop control system, able to stabilize the field in an uncertainty level of 1 dB range
Regional Agency for the Prevention and the Environment of the Emilia-Romagna Region (Agenzia Regionale per la Prevenzione e l'Ambiente dell'Emilia-Romagna, ARPA), Italy
Comments on this article
Belpoggi F et al.
(2021):
Response to "Cancerogenic effects of radiofrequency radiation: a statistical reappraisal"
Sara G et al.
(2020):
Cancerogenic effects of radiofrequency radiation: A statistical reappraisal
Soffritti M et al.
(2019):
The carcinogenic potential of non-ionizing radiations: The cases of S-50 Hz MF and 1.8 GHz GSM radiofrequency radiation
Ouadah NS et al.
(2018):
Possible effects of radiofrequency electromagnetic fields on in vivo C6 brain tumors in Wistar rats
Wyde M et al.
(2018):
Report of Partial Findings from the National Toxicology Program Carcinogenesis Studies of Cell Phone Radiofrequency Radiation in Hsd: Sprague Dawley SD rats (Whole Body Exposure)
National Toxicology Program (NTP)
(2018):
NTP Technical Report on Toxicology and Carcinogenesis Studies In B6C3F1/N Mice Exposed to Whole-Body Radio Frequency Radiation at a Frequency (1,900 MHz) and Modulations (GSM and CDMA) Used by Cell Phones
National Toxicology Program (NTP)
(2018):
Technical report on the toxicology and carcinogenesis studies in Sprague Dawley (Hsd:Sprague Dawley® SD®) rats exposed to whole-body radio frequency radiation at a frequency (900 Mhz) and modulations (GSM and CDMA) used by cell phones
Lerchl A et al.
(2015):
Tumor promotion by exposure to radiofrequency electromagnetic fields below exposure limits for humans
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Effect of chronic exposure to a GSM-like signal (mobile phone) on survival of female Sprague-Dawley rats: Modulatory effects by month of birth and possibly stage of the solar cycle
Tillmann T et al.
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Carcinogenicity study of GSM and DCS wireless communication signals in B6C3F1 mice
Smith P et al.
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GSM and DCS Wireless Communication Signals: Combined Chronic Toxicity/Carcinogenicity Study in the Wistar Rat
Saran A et al.
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Anderson LE et al.
(2004):
Two-year chronic bioassay study of rats exposed to a 1.6 GHz radiofrequency signal
Sommer AM et al.
(2004):
No effects of GSM-modulated 900 MHz electromagnetic fields on survival rate and spontaneous development of lymphoma in female AKR/J mice
LaRegina MC et al.
(2003):
The Effect of Chronic Exposure to 835.62 MHz FDMA or 847.74 MHz CDMA Radiofrequency Radiation on the Incidence of Spontaneous Tumors in Rats
Zook BC et al.
(2001):
The effects of 860 MHz radiofrequency radiation on the induction or promotion of brain tumors and other neoplasms in rats
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