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Therapeutic approaches of melatonin in microwave radiations-induced oxidative stress-mediated toxicity on male fertility pattern of Wistar rats

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Meena R, Kumari K, Kumar J, Rajamani P, Verma HN, Kesari KK · 2014

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WiFi-level microwave radiation damaged sperm production and DNA in rat testicles, but melatonin supplementation prevented most harm.

Plain English Summary

Summary written for general audiences

Researchers exposed male rats to WiFi-frequency radiation (2.45 GHz) for 2 hours daily over 45 days, finding significant damage to sperm production and testosterone levels. Melatonin supplements prevented most reproductive harm, suggesting microwave radiation threatens male fertility but antioxidants may offer protection.

Why This Matters

This study adds to mounting evidence that radiofrequency radiation affects male reproductive health through oxidative stress mechanisms. The 2.45 GHz frequency and power density (0.21 mW/cm²) used here are directly relevant to everyday WiFi exposure, making these findings particularly concerning for men of reproductive age. What's especially notable is that melatonin supplementation largely prevented the observed damage, demonstrating that the effects aren't inevitable but result from biological processes we can potentially address. The research shows measurable impacts on multiple fertility markers including sperm count, testosterone levels, and DNA integrity in testicular cells. While this is animal research, it aligns with human studies showing decreased sperm quality in men with higher cell phone and WiFi exposure, strengthening the case for taking precautionary steps to reduce EMF exposure, especially for men planning to start families.

Exposure Details

SAR
0.14 W/kg
Power Density
0.21 µW/m²
Source/Device
2.45 GHz
Exposure Duration
2 h a day for 45 days

Exposure Context

This study used 0.21 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: 0.21 µW/m²Extreme Concern - 1,000 uW/m2FCC Limit - 10M uW/m2Effects observed in the Slight Concern rangeFCC limit is 47,619,048x 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

Present study aimed to investigate the protective effects of melatonin (is well known antioxidant that protects DNA, lipids and proteins from free radical damage) against oxidative stress-mediated testicular impairment due to long-term exposure of MWs.

For this, 70-day-old male Wistar rats were divided into four groups (n = 6/group): Sham exposed, Mel...

Result shows that melatonin prevent oxidative damage biochemically by significant increase (p < 0.0...

These results concluded that the melatonin has strong antioxidative potential against MW induced oxidative stress mediated DNA damage in testicular cells.

Cite This Study
Meena R, Kumari K, Kumar J, Rajamani P, Verma HN, Kesari KK (2014). Therapeutic approaches of melatonin in microwave radiations-induced oxidative stress-mediated toxicity on male fertility pattern of Wistar rats Electromagn Biol Med. 2014 Jun;33(2):81-91.
Show BibTeX
@article{r_2014_therapeutic_approaches_of_melatonin_1197,
  author = {Meena R and Kumari K and Kumar J and Rajamani P and Verma HN and Kesari KK},
  title = {Therapeutic approaches of melatonin in microwave radiations-induced oxidative stress-mediated toxicity on male fertility pattern of Wistar rats},
  year = {2014},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/23676079/},
}
PubMed: 23676079

Cited By (75 papers)

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Quick Questions About This Study

Yes, melatonin supplementation prevented most reproductive harm from WiFi radiation in a 2014 study. Rats given melatonin while exposed to 2.45 GHz radiation maintained normal sperm count, testosterone levels, and DNA integrity, suggesting melatonin's antioxidant properties offer significant protection against microwave-induced fertility damage.
A 2014 rat study found that 45 days of daily 2-hour exposure to 2.45 GHz WiFi radiation significantly decreased testosterone levels. However, rats receiving melatonin supplements maintained normal testosterone production, indicating that antioxidants may prevent hormone disruption from chronic microwave radiation exposure.
WiFi-frequency radiation at 2.45 GHz increases oxidative stress in testicular cells, generating harmful free radicals that fragment sperm DNA. A 2014 study showed this process involves elevated reactive oxygen species and reduced antioxidant enzymes, but melatonin supplementation prevented this oxidative damage pathway.
Microwave radiation at 2.45 GHz significantly altered key testicular enzymes in rats, including decreased LDH-X levels and increased xanthine oxidase activity. These enzyme changes indicate cellular stress and reduced energy production in sperm-producing cells, but melatonin supplementation restored normal enzyme function.
Yes, just 2 hours of daily exposure to 2.45 GHz WiFi radiation for 45 days significantly reduced sperm count and increased DNA fragmentation in male rats. This relatively short daily exposure duration was sufficient to cause measurable reproductive damage, highlighting potential fertility risks from routine WiFi use.