8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body

Note: This study found no significant biological effects under its experimental conditions. We include all studies for scientific completeness.

Cancer & Tumors

Repeated exposure of C3H/HeJ mice to ultra-wideband electromagnetic pulses: Lack of effects on mammary tumors.

No Effects Found

Jauchem JR, Frei MR, Dusch SJ, Lehnert HM, Kovatch RM · 2001

View Original Abstract
Share:

Ultra-wideband electromagnetic pulses at 40 kV/m showed no cancer-promoting effects in cancer-prone mice, even at levels far exceeding typical consumer exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed 100 cancer-prone mice to ultra-wideband electromagnetic pulses (extremely short bursts containing multiple frequencies) for 2 minutes weekly over 12 weeks, using field strengths of 40,000 volts per meter. The exposed mice showed no difference in mammary tumor development, growth rates, or survival compared to unexposed control mice. This study found no evidence that this type of pulsed electromagnetic exposure promotes cancer development in a well-established animal cancer model.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 435 MHz - 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 435 MHz - 2.45 GHzPower lines50/60 HzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

The study examined exposure from: 435 MHz or 2450 MHz Duration: 2 min once a week for 12 weeks

Study Details

In this study, we investigated the effects of exposure to a unique type of electromagnetic energy: pulses composed of an ultra-wideband (UWB) of frequencies, including those in the RF range.

One hundred C3H/HeJ mice were exposed to UWB pulses (rise time 176 ps, fall time 3.5 ns, pulse width...

There were no significant differences between groups with respect to incidence of palpated mammary t...

Our major finding was the lack of effects of UWB-pulse exposure on promotion of mammary tumors in a well-established animal model of mammary cancer.

Cite This Study
Jauchem JR, Frei MR, Dusch SJ, Lehnert HM, Kovatch RM (2001). Repeated exposure of C3H/HeJ mice to ultra-wideband electromagnetic pulses: Lack of effects on mammary tumors. Radiat Res 155(2):369-377, 2001.
Show BibTeX
@article{jr_2001_repeated_exposure_of_c3hhej_3113,
  author = {Jauchem JR and Frei MR and Dusch SJ and Lehnert HM and Kovatch RM},
  title = {Repeated exposure of C3H/HeJ mice to ultra-wideband electromagnetic pulses: Lack of effects on mammary tumors.},
  year = {2001},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/11175673/},
}
PubMed: 11175673

Cited By (33 papers)

Quick Questions About This Study

A 2001 study found no evidence that ultra-wideband electromagnetic pulses promote breast cancer. Researchers exposed cancer-prone mice to intense pulsed EMF for 12 weeks and found no differences in mammary tumor development, growth rates, or survival compared to unexposed mice.
Research on pulsed electromagnetic fields shows mixed results. One well-controlled 2001 study exposed cancer-prone mice to ultra-wideband pulses at 435 MHz and 2450 MHz frequencies for 12 weeks but found no acceleration of tumor development or changes in cancer progression.
Limited research exists on ultra-wideband radiation health effects. A 2001 animal study using extremely high field strengths (40,000 volts per meter) found no increased cancer risk or tissue damage in mice exposed to ultra-wideband electromagnetic pulses over 12 weeks.
Cancer risks from pulsed electromagnetic fields remain unclear with limited research available. One significant 2001 study found no increased mammary cancer risk in mice exposed to intense ultra-wideband pulses, but more research is needed to understand long-term effects.
Research on electromagnetic radiation and tumor promotion shows mixed findings. A controlled 2001 study found that ultra-wideband electromagnetic pulses did not promote mammary tumor development in cancer-prone mice, suggesting this specific type of EMF exposure may not accelerate existing cancers.