Effects of wireless local area network exposure on testicular morphology and VEGF levels

Plain English Summary

Summary written for general audiences

Turkish researchers exposed male rats to WiFi-frequency radiation (2.45 GHz) for one hour daily over 60 days and found significant damage to testicular tissue structure. The exposed rats showed reduced sperm-producing tube diameter, thinner tissue layers, and fewer support cells, along with increased levels of a blood vessel growth protein called VEGF. This suggests that common WiFi frequencies may harm male reproductive health through cellular damage mechanisms.

Why This Matters

This study adds concerning evidence to the growing body of research linking WiFi radiation to male fertility problems. The 2.45 GHz frequency used here is identical to what your home WiFi router, laptop, and many other wireless devices emit daily. What makes this research particularly relevant is the relatively low exposure level (SAR 0.00208 W/kg) and realistic duration that mirrors typical human exposure patterns.

The structural damage to seminiferous tubules-the sperm-producing factories in the testes-occurred alongside elevated VEGF protein levels, suggesting EMF exposure triggers cellular stress responses that ultimately harm reproductive tissue. With male fertility rates declining globally and WiFi becoming ubiquitous in homes, schools, and workplaces, these findings demand serious attention from health authorities who continue to treat wireless radiation as harmless.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study

Effects of wireless local area network exposure on testicular morphology and VEGF levels Çakmak E, Bilgici B, Engiz BK, et al. Effects of wireless local area network exposure on testicular morphology and VEGF levels. Sci Rep (2026). Effects of wireless local area network exposure on testicular morphology and VEGF levels.

Show BibTeX

@article{effects_of_wireless_local_area_network_exposure_on_testicular_morphology_and_vegf_levels_ce4728,
  author = {Effects of wireless local area network exposure on testicular morphology and VEGF levels Çakmak E and Bilgici B and Engiz BK and et al. Effects of wireless local area network exposure on testicular morphology and VEGF levels. Sci Rep},
  title = {Effects of wireless local area network exposure on testicular morphology and VEGF levels},
  year = {2026},
  doi = {10.1038/s41598-026-37323-2},
  url = {https://www.nature.com/articles/s41598-026-37323-2},
}

DOI: 10.1038/s41598-026-37323-2 PubMed: 41593330

Quick Questions About This Study

This study found that 2.45 GHz radiation (the same frequency as WiFi) caused significant structural damage to rat testicular tissue, including reduced tube diameter and fewer support cells after 60 days of daily exposure.

VEGF (vascular endothelial growth factor) is a protein that promotes blood vessel growth, often in response to tissue stress or damage. The study found EMF exposure significantly increased VEGF levels, suggesting cellular stress responses.

The rats received one hour daily exposure for 60 days at low power levels. This mirrors typical human WiFi exposure patterns from routers, laptops, and devices, making the findings relevant to everyday technology use.

EMF-exposed rats showed significantly reduced seminiferous tubule diameter, thinner epithelial tissue, lower tubule density, and fewer Sertoli cells-all critical components for healthy sperm production and male fertility.

Yes, this SAR level is relatively low and represents realistic exposure from common wireless devices. Many cell phones have SAR limits of 1.6-2.0 W/kg, making this study's exposure level quite conservative.