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Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K

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Authors not listed · 2025

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Prenatal WiFi exposure caused permanent thyroid damage in offspring that persisted one full year after birth.

Plain English Summary

Summary written for general audiences

Researchers exposed pregnant rats to WiFi-frequency radiation (2.45 GHz) throughout pregnancy, then examined their offspring's thyroid glands one year after birth. The study found significant thyroid damage including increased cell death, DNA breaks, tissue scarring, and abnormal cells in the exposed offspring. This suggests prenatal WiFi exposure may cause lasting thyroid problems that persist into adulthood.

Why This Matters

This study reveals a disturbing reality about prenatal EMF exposure: the damage doesn't just disappear after birth. The fact that thyroid abnormalities persisted for an entire year after exposure ended suggests we're dealing with permanent developmental disruption, not temporary effects. The 2.45 GHz frequency used here is identical to WiFi and microwave ovens, making this directly relevant to pregnant women's daily exposure. The SAR levels (12 mW/kg whole-body) are well within current safety limits, yet still produced measurable thyroid damage.

What makes this particularly concerning is that thyroid function is critical for brain development, metabolism, and growth throughout life. The researchers found not just functional changes but actual tissue damage including DNA breaks and cell death. The thyroid is especially vulnerable during fetal development, and this study demonstrates that brief prenatal exposure can create lasting consequences. This adds to growing evidence that current safety standards fail to protect developing organisms from long-term EMF effects.

Exposure Information

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

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2025). Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K.
Show BibTeX
@article{zylmaz_c_dada_s_oktay_mf_ulukaya_e_erksa_genel_m_emre_f_yein_k_ce3928,
  author = {Unknown},
  title = {Özyılmaz C, Daşdağ S, Oktay MF, Ulukaya E, Erkısa Genel M, Emre F, Yeğin K},
  year = {2025},
  doi = {10.1080/15368378.2025.2577318},
  
}
DOI: 10.1080/15368378.2025.2577318PubMed: 41125539

Quick Questions About This Study

Yes, this study found that pregnant rats exposed to 2.45 GHz WiFi radiation throughout pregnancy had offspring with significant thyroid damage including increased cell death, DNA breaks, and tissue scarring that persisted one full year after birth.
The thyroid damage persisted for at least one year after birth. The offspring were not exposed to radiation after birth, yet still showed significant thyroid abnormalities when examined at one year of age, suggesting permanent developmental effects.
Researchers found increased tissue fibrosis, more abnormal thyroid cells, degenerated follicles, reduced colloid, higher rates of cell death (apoptosis), and DNA double-strand breaks in thyroid tissue of prenatally exposed offspring.
This study exposed pregnant rats to 2.45 GHz radiation 24 hours daily throughout pregnancy and found significant lasting thyroid damage in offspring. The exposure levels were within current safety limits but still caused measurable developmental harm.
Yes, the study found statistically significant increases in H2A.X antibody levels, which indicates DNA double-strand breaks in thyroid tissue. This type of DNA damage can lead to cellular dysfunction and potential long-term health consequences.