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Cancer & Tumors

No effects of radiofrequency radiation on 3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone-Induced tumorigenesis in female Wistar rats.

No Effects Found

Heikkinen, P., Ernst, H., Huuskonen, H., Komulainen, H., Kumlin, T., Maki-Paakkanen, J., Puranen, L. and Juutilainen, J. · 2006

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Two years of cell phone-level RF radiation exposure did not increase cancer risk in rats, even when combined with known carcinogens.

Plain English Summary

Summary written for general audiences

Finnish researchers exposed female rats to 900 MHz radiofrequency radiation (similar to cell phone frequencies) for 2 hours daily over 2 years while also giving them a known cancer-causing chemical in their drinking water. The study aimed to see if RF radiation would make tumors more likely to develop. The researchers found no evidence that RF radiation increased cancer risk, even when combined with a chemical known to cause tumors.

Why This Matters

This study addresses a critical question in EMF research: whether radiofrequency radiation acts as a co-carcinogen, meaning it might not cause cancer on its own but could accelerate tumor development when combined with other cancer-causing agents. The exposure levels used (0.3 and 0.9 W/kg SAR) are within the range of typical cell phone use, making the findings directly relevant to everyday exposures. What makes this research particularly valuable is its design - by using a known carcinogen (the chemical MX), the researchers created optimal conditions to detect any cancer-promoting effects of RF radiation. The fact that no such effects were found over a 2-year period provides reassuring evidence. However, this single study, while well-designed, represents just one piece of the larger research puzzle on RF radiation and cancer risk.

Exposure Details

SAR
0.3 and 0.9 W/kg
Source/Device
900 MHz
Exposure Duration
2 h per day, 5 days per week for 104 weeks

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.3 and 0.9 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern range (Building Biology)FCC limit is 5 times higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

This study evaluated possible effects of radiofrequency (RF) radiation on tumorigenesis induced by the mutagen 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) given in drinking water.

Female Wistar rats aged 7 weeks at the beginning of the experiments were randomly divided into four ...

The tumor types and incidences observed in the MX-exposed animals were similar to those reported ear...

The results of the present study do not support co-carcinogenic effects of low-level long-term RF-radiation exposure in rats.

Cite This Study
Heikkinen, P., Ernst, H., Huuskonen, H., Komulainen, H., Kumlin, T., Maki-Paakkanen, J., Puranen, L. and Juutilainen, J. (2006). No effects of radiofrequency radiation on 3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone-Induced tumorigenesis in female Wistar rats. Radiat. Res. 166, 397-408, 2006.
Show BibTeX
@article{heikkinen_2006_no_effects_of_radiofrequency_3074,
  author = {Heikkinen and P. and Ernst and H. and Huuskonen and H. and Komulainen and H. and Kumlin and T. and Maki-Paakkanen and J. and Puranen and L. and Juutilainen and J.},
  title = {No effects of radiofrequency radiation on 3-Chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone-Induced tumorigenesis in female Wistar rats.},
  year = {2006},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/16881741/},
}
PubMed: 16881741

Cited By (30 papers)

Quick Questions About This Study

Finnish researchers found that 900 MHz radiofrequency radiation did not increase cancer risk in female rats, even when combined with a known cancer-causing chemical. The two-year study exposed rats to cell phone-like frequencies for 2 hours daily while giving them tumor-promoting chemicals in their drinking water.
A 2006 study found no evidence that 900 MHz radiation accelerates tumor growth. Female rats exposed to cell phone-like frequencies for 2 hours daily over 2 years showed no increased tumor rates compared to unexposed animals, even when also given cancer-causing chemicals.
Research shows no significant cancer risks from 2-hour daily exposure to 900 MHz radiation over 2 years. Finnish scientists found that female rats exposed to this cell phone frequency showed similar tumor rates to unexposed animals, with no evidence of increased cancer development.
Studies indicate that radiofrequency radiation does not act as a cancer promoter. A comprehensive 2-year study found that 900 MHz RF exposure did not enhance tumor development in female rats, even when combined with known cancer-causing chemicals in their drinking water.
Female Wistar rats showed no significant cancer effects from long-term RF exposure. The only notable finding was a slight increase in vascular tumors in lymph nodes, but researchers determined this was due to unusually low rates in control animals rather than RF-induced increases.