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Effects of 900MHz electromagnetic field on TSH and thyroid hormones in rats.

No Effects Found

Koyu A, Cesur G, Ozguner F, Akdogan M, Mollaoglu H, Ozen S. · 2005

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Cell phone frequency radiation significantly reduced thyroid hormone levels in rats after just 4 weeks of daily exposure.

Plain English Summary

Summary written for general audiences

Researchers exposed rats to 900 MHz radiofrequency radiation (the same frequency used by cell phones) for 30 minutes daily over 4 weeks and measured thyroid hormone levels. They found that EMF exposure significantly decreased levels of TSH (thyroid stimulating hormone) and T3-T4 thyroid hormones compared to unexposed rats. This suggests that cell phone radiation may disrupt normal thyroid function, which controls metabolism, energy levels, and many other bodily processes.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

The study examined exposure from: 900 MHz Duration: 30 min/day, for 5 days/week for 4 weeks

Study Details

In this study, the effects of exposure to a 900 megahertz (MHz) electromagnetic field (EMF) on serum thyroid stimulating hormone (TSH) and triiodothronine-thyroxin (T3-T4) hormones levels of adult male Sprague-Dawley rats were studied.

Thirty rats were used in three independent groups, 10 of which were control (without stress and EMF)...

TSH values and T3-T4 at the 900 MHz EMF group were significantly lower than the sham-exposed group (...

These results indicate that 900 MHz EMF emitted by cellular telephones decrease serum TSH and T3-T4 levels.

Cite This Study
Koyu A, Cesur G, Ozguner F, Akdogan M, Mollaoglu H, Ozen S. (2005). Effects of 900MHz electromagnetic field on TSH and thyroid hormones in rats. Toxicol Lett. 157(3):257-262, 2005.
Show BibTeX
@article{a_2005_effects_of_900mhz_electromagnetic_3156,
  author = {Koyu A and Cesur G and Ozguner F and Akdogan M and Mollaoglu H and Ozen S.},
  title = {Effects of 900MHz electromagnetic field on TSH and thyroid hormones in rats.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/15917150/},
}
PubMed: 15917150

Cited By (114 papers)

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Quick Questions About This Study

Research shows cell phone radiation can disrupt thyroid function. A 2005 study found that 900 MHz radiation (used by cell phones) significantly decreased thyroid stimulating hormone (TSH) and T3-T4 hormone levels in rats after just 30 minutes of daily exposure for four weeks.
Yes, 900 MHz radiation significantly impacts hormone levels. Researchers found that this frequency, commonly used in cell phones, decreased both TSH (thyroid stimulating hormone) and T3-T4 thyroid hormones in exposed rats compared to unexposed animals.
Cell phone frequencies may negatively affect thyroid health. A study using 900 MHz radiation found significantly lower levels of crucial thyroid hormones (TSH, T3, and T4) in exposed rats, suggesting potential disruption to normal thyroid function and metabolism.
EMF exposure may reduce thyroid hormone production. Research demonstrates that 900 MHz electromagnetic fields can significantly decrease TSH and T3-T4 hormone levels, which control metabolism, energy levels, and other essential bodily processes throughout your body.
Radiofrequency radiation appears to suppress thyroid gland function. Studies show that 900 MHz EMF exposure for just 30 minutes daily significantly reduces production of thyroid stimulating hormone and T3-T4 hormones that regulate your metabolism and energy levels.