The International Collaborative Animal Study of Mobile Phone Radiofrequency Radiation Carcinogenicity and Genotoxicity: The Japanese Study
Imaida K, Kawabe M, Wang J, Yokohira M, Imai N, Han K-H, Kim Y-B, Jeon SB, Kim HY, Ahn YH.The International Collaborative Animal Study of Mobile Phone Radiofrequency Radiation Carcinogenicity and Genotoxicity: The Japanese Study · 2026
Long-term exposure to 900 MHz RF-EMFs did not produce reproducible carcinogenic or genotoxic effects in male rats.
Plain English Summary
The study included a 28-day preliminary toxicity study, genotoxicity assays, and a two-year carcinogenicity assessment following OECD guidelines. No statistically significant increases in neoplastic or non-neoplastic lesions were found in major organs including brain, heart, and adrenal glands.
Why This Matters
A higher survival rate in the RF-exposed group was observed, likely due to lower body weight and food consumption. The study, jointly planned and executed by Japan and Korea, provides strong evidence that long-term exposure to 900 MHz RF-EMFs did not produce reproducible carcinogenic or genotoxic effects in male rats.
Exposure Information
Specific exposure levels were not quantified in this study.
Show BibTeX
@article{imaida_k_kawabe_m_wang_j_yokohira_m_imai_n_han_k_h_kim_y_b_jeon_sb_kim_hy_ahn_yhthe_international_collaborative_animal_study_of_mobile_phone_radiofrequency_radiation_carcinogenicity_and_genotoxicity_t_ce4724,
author = {Imaida K and Kawabe M and Wang J and Yokohira M and Imai N and Han K-H and Kim Y-B and Jeon SB and Kim HY and Ahn YH.The International Collaborative Animal Study of Mobile Phone Radiofrequency Radiation Carcinogenicity and Genotoxicity: The Japanese Study},
title = {The International Collaborative Animal Study of Mobile Phone Radiofrequency Radiation Carcinogenicity and Genotoxicity: The Japanese Study},
year = {2026},
doi = {10.1093/toxsci/kfag002},
}