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The 1.5 GHz electromagnetic near-field used for cellular phones does not promote rat liver carcinogenesis in a medium-term liver bioassay.

No Effects Found

Imaida, K, Taki, M, Watanabe, S, Kamimura, Y, Ito, T, Yamaguchi, T, Ito, N, Shirai, T, · 1998

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Cell phone radiation at 1.439 GHz showed no cancer-promoting effects in rat livers despite causing measurable biological stress responses.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to 1.439 GHz radiofrequency radiation (the type used in Japanese cell phones) to see if it would promote liver cancer development. Despite using exposure levels up to 1.91 W/kg and finding evidence of biological stress (increased stress hormones), the radiation did not increase cancer-promoting changes in the liver. This suggests that cell phone radiation at these levels does not accelerate liver cancer progression in this animal model.

Study Details

In the present study, a 1.439 GHz electromagnetic near-field (EMF), another microwave band employed for cellular phones in Japan, was similarly investigated.

Time division multiple access (TDMA) signals for the Personal Digital Cellular (PDC) Japanese cellul...

Despite increased serum levels of corticosterone, adrenocorticotropic hormone (ACTH) and melatonin, ...

These findings clearly indicated that local body exposure to a 1.439 GHz EMF, as in the case of a 929.2 MHz field, has no promoting effect on rat liver carcinogenesis in the present model.

Cite This Study
Imaida, K, Taki, M, Watanabe, S, Kamimura, Y, Ito, T, Yamaguchi, T, Ito, N, Shirai, T, (1998). The 1.5 GHz electromagnetic near-field used for cellular phones does not promote rat liver carcinogenesis in a medium-term liver bioassay. Jpn J Cancer Res 89(10):995-1002, 1998.
Show BibTeX
@article{imaida_1998_the_15_ghz_electromagnetic_3099,
  author = {Imaida and K and Taki and M and Watanabe and S and Kamimura and Y and Ito and T and Yamaguchi and T and Ito and N and Shirai and T and},
  title = {The 1.5 GHz electromagnetic near-field used for cellular phones does not promote rat liver carcinogenesis in a medium-term liver bioassay.},
  year = {1998},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/9849576/},
}

Quick Questions About This Study

Researchers exposed rats to 1.439 GHz radiofrequency radiation (the type used in Japanese cell phones) to see if it would promote liver cancer development. Despite using exposure levels up to 1.91 W/kg and finding evidence of biological stress (increased stress hormones), the radiation did not increase cancer-promoting changes in the liver. This suggests that cell phone radiation at these levels does not accelerate liver cancer progression in this animal model.