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Reproductive Health

The lack of histological changes of CDMA cellular phone-based radio frequency on rat testis.

No Effects Found

Lee HJ, Pack JK, Kim TH, Kim N, Choi SY, Lee JS, Kim SH, Lee YS. · 2010

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This 12-week rat study found no sperm damage from cell phone radiation at 2.0 W/kg SAR, higher than typical phone use.

Plain English Summary

Summary written for general audiences

Researchers exposed male rats to cell phone radiation at 848.5 MHz for 12 weeks to study effects on sperm production and testicular health. They found no changes in sperm count, testicular tissue structure, or markers of cellular damage compared to unexposed rats. This suggests that exposure to this specific frequency and power level did not harm male reproductive function in rats.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 848.5 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 848.5 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 848.5 MHz Duration: Two 45-min exposure, separated by a 15-min interval.

Study Details

We examined the histological changes by radiofrequency (RF) fields on rat testis, specifically with respect to sensitive processes such as spermatogenesis.

Male rats were exposed to 848.5 MHz RF for 12 weeks. The RF exposure schedule consisted of two 45-mi...

we concluded that subchronic exposure to 848.5 MHz with 2.0 W/kg SAR RF did not have any observable adverse effects on rat spermatogenesis.

Cite This Study
Lee HJ, Pack JK, Kim TH, Kim N, Choi SY, Lee JS, Kim SH, Lee YS. (2010). The lack of histological changes of CDMA cellular phone-based radio frequency on rat testis. Bioelectromagnetics.31(7):528-534, 2010.
Show BibTeX
@article{hj_2010_the_lack_of_histological_3184,
  author = {Lee HJ and Pack JK and Kim TH and Kim N and Choi SY and Lee JS and Kim SH and Lee YS.},
  title = {The lack of histological changes of CDMA cellular phone-based radio frequency on rat testis.},
  year = {2010},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/20607737/},
}
PubMed: 20607737

Cited By (69 papers)

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Quick Questions About This Study

No, a 2010 study found that 12 weeks of exposure to 848.5 MHz CDMA radiation at 2.0 W/kg SAR caused no observable changes in rat testicular tissue structure, sperm count, or cellular damage markers compared to unexposed rats.
Research on 848.5 MHz radiation at 2.0 W/kg SAR for 12 weeks showed no adverse effects on rat spermatogenesis. The study found no changes in sperm production processes or testicular function after subchronic exposure.
A controlled study using 2.0 W/kg SAR at 848.5 MHz found no harmful effects on male rat reproductive function after 12 weeks of exposure, suggesting this specific power level may not damage reproductive health.
Researchers found no significant changes in sperm count when male rats were exposed to 848.5 MHz CDMA radiation for 12 weeks. Sperm counts remained normal compared to unexposed control groups throughout the study.
No testicular damage occurred from subchronic exposure to 848.5 MHz RF radiation at 2.0 W/kg SAR. The 2010 study showed no histological changes in testicular tissue structure after 12 weeks of daily exposure.