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2.45-GHz microwave irradiation adversely affects reproductive function in male mouse, Mus musculus by inducing oxidative and nitrosative stress.

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Shahin S, Mishra V, Singh SP, Chaturvedi CM. · 2014

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Low-level 2.45 GHz radiation significantly reduced sperm count and testosterone in mice at exposures 100 times below current safety limits.

Plain English Summary

Summary written for general audiences

Researchers exposed male mice to 2.45 GHz microwave radiation (the same frequency used by Wi-Fi routers and microwave ovens) for 2 hours daily over 30 days at very low power levels. The exposed mice showed significant decreases in sperm count and viability, along with damaged sperm-producing tissue and reduced testosterone levels. This suggests that chronic exposure to common wireless frequencies may impair male fertility through oxidative stress mechanisms.

Why This Matters

This study demonstrates concerning reproductive effects from 2.45 GHz radiation at exposure levels far below current safety guidelines. The specific absorption rate (SAR) of 0.018 W/kg is roughly 100 times lower than the FCC limit of 1.6 W/kg for cell phones, yet still produced measurable harm to male reproductive function. What makes this research particularly relevant is that 2.45 GHz is the exact frequency used by Wi-Fi routers, Bluetooth devices, and microwave ovens that surround us daily. The researchers identified oxidative stress as the likely mechanism, with increased nitric oxide production damaging sperm-producing cells. This adds to a growing body of evidence linking RF radiation to male fertility problems, including human studies showing decreased sperm quality in men with higher cell phone use. The reality is that regulatory agencies have largely ignored reproductive health when setting exposure limits, focusing instead on preventing tissue heating.

Exposure Details

SAR
0.018 W/kg
Power Density
0.029812 µW/m²
Source/Device
2.45 GHz
Exposure Duration
2 h/day for 30 days

Exposure Context

This study used 0.029812 µW/m² for radio frequency:

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.029812 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the No Concern rangeFCC limit is 335,435,395x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 2.45 GHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 2.45 GHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

In view of the unavoidable use of MW emitting devices (microwaves oven, mobile phones, Wi-Fi, etc.) and their harmful effects on biological system, it was thought worthwhile to investigate the long-term effects of low-level MW irradiation on the reproductive function of male Swiss strain mice and its mechanism of action

Twelve-week-old mice were exposed to non-thermal low-level 2.45-GHz MW radiation (CW for 2 h/day for...

We observed that MW irradiation induced a significant decrease in sperm count and sperm viability al...

Further, these adverse reproductive effects suggest that chronic exposure to nonionizing MW radiation may lead to infertility via free radical species-mediated pathway.

Cite This Study
Shahin S, Mishra V, Singh SP, Chaturvedi CM. (2014). 2.45-GHz microwave irradiation adversely affects reproductive function in male mouse, Mus musculus by inducing oxidative and nitrosative stress. Free Radic Res. 48(5):511-525, 2014.
Show BibTeX
@article{s_2014_245ghz_microwave_irradiation_adversely_568,
  author = {Shahin S and Mishra V and Singh SP and Chaturvedi CM.},
  title = {2.45-GHz microwave irradiation adversely affects reproductive function in male mouse, Mus musculus by inducing oxidative and nitrosative stress.},
  year = {2014},
  doi = {10.3109/10715762.2014.888717},
  url = {https://www.tandfonline.com/doi/full/10.3109/10715762.2014.888717},
}
DOI: 10.3109/10715762.2014.888717

Cited By (56 papers)

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Quick Questions About This Study

Yes, a 2014 study found that male mice exposed to 2.45 GHz radiation (WiFi frequency) for 2 hours daily over 30 days showed significant decreases in sperm count and viability, along with damaged sperm-producing tissue and reduced testosterone levels.
Research demonstrates that 30-day exposure to 2.45 GHz microwave radiation significantly reduced plasma testosterone levels in male mice. The study also found decreased testicular enzyme activity responsible for testosterone production, suggesting chronic wireless exposure may disrupt male hormones.
A 2014 study found that 2.45 GHz radiation exposure caused seminiferous tubule degeneration and reduced diameter in male mice. This damage to sperm-producing tissue occurred through oxidative stress mechanisms after just 30 days of daily exposure.
Yes, research shows 2.45 GHz radiation (the same frequency as microwave ovens) increased testicular oxidative stress markers in exposed mice. The study found elevated nitric oxide synthase expression, indicating that this common frequency triggers harmful free radical production in reproductive tissue.
A controlled study found that just 2 hours of daily 2.45 GHz microwave exposure for 30 days significantly impaired male fertility in mice. The research showed decreased sperm count, reduced viability, and tissue damage from this relatively brief daily exposure pattern.