3,138 Studies Reviewed. 77.4% Found Biological Effects. The Evidence is Clear.
Cancer & Tumors101 citations

Radio-frequency radiation exposure from AM radio transmitters and childhood leukemia and brain cancer.

Bioeffects Seen

Ha M, Im H, Lee M, Kim HJ, Kim BC, Gimm YM, Pack JK. · 2007

View Original Abstract
Share:

Children living within 2 kilometers of AM radio towers showed double the leukemia risk, revealing cancer dangers from broadcast radiation.

Plain English Summary

Summary written for general audiences

Researchers in South Korea studied nearly 6,000 children to examine whether living near AM radio transmitters increases cancer risk. They found that children living within 2 kilometers of high-power AM radio towers had more than double the risk of developing leukemia compared to children living more than 20 kilometers away. This suggests that radio frequency radiation from broadcasting towers may contribute to childhood blood cancers.

Why This Matters

This South Korean study provides compelling evidence that radio frequency radiation from AM broadcasting towers poses real health risks to children. The finding of a 2.15-fold increase in leukemia risk for children living within 2 kilometers of high-power transmitters is particularly concerning given that AM radio operates at much lower frequencies than cell towers and WiFi. What makes this research especially significant is its large scale (nearly 6,000 children) and rigorous methodology using national cancer registries and geographic information systems to map exposure patterns. The dose-response relationship observed for lymphocytic leukemia, where higher exposure levels corresponded to increased cancer risk, strengthens the evidence for a causal connection. While the wireless industry often dismisses such studies, this research adds to a growing body of evidence suggesting that chronic RF exposure, even at levels considered "safe" by current standards, may increase cancer risk in children whose developing tissues are more vulnerable to radiation damage.

Exposure Information

Specific exposure levels were not quantified in this study.

Study Details

The aim of this study is to investigate Radio-frequency radiation exposure from AM radio transmitters and childhood leukemia and brain cancer.

Leukemia and brain cancer patients under age 15 years, along with controls with respiratory illnesse...

The odds ratio for all types of leukemia was 2.15 (95% confidence interval (CI): 1.00, 4.67) among c...

Cite This Study
Ha M, Im H, Lee M, Kim HJ, Kim BC, Gimm YM, Pack JK. (2007). Radio-frequency radiation exposure from AM radio transmitters and childhood leukemia and brain cancer. Am J Epidemiol. 166(3):270-279, 2007.
Show BibTeX
@article{m_2007_radiofrequency_radiation_exposure_from_2135,
  author = {Ha M and Im H and Lee M and Kim HJ and Kim BC and Gimm YM and Pack JK.},
  title = {Radio-frequency radiation exposure from AM radio transmitters and childhood leukemia and brain cancer.},
  year = {2007},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/17556764/},
}

Quick Questions About This Study

Researchers in South Korea studied nearly 6,000 children to examine whether living near AM radio transmitters increases cancer risk. They found that children living within 2 kilometers of high-power AM radio towers had more than double the risk of developing leukemia compared to children living more than 20 kilometers away. This suggests that radio frequency radiation from broadcasting towers may contribute to childhood blood cancers.