8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
DNA & Genetic Damage123 citations

Microwaves from GSM mobile telephones affect 53BP1 and gamma-H2AX foci in human lymphocytes from hypersensitive and healthy persons.

Bioeffects Seen

Markovà E, Hillert L, Malmgren L, Persson BR, Belyaev IY. · 2005

View Original Abstract
Share:

Mobile phone radiation caused DNA damage markers in human immune cells at 1/40th of current safety limits.

Plain English Summary

Summary written for general audiences

Researchers exposed human immune cells (lymphocytes) to microwave radiation from GSM mobile phones for one hour and found it caused DNA damage markers similar to heat shock. The study examined cells from both healthy people and those who report electromagnetic hypersensitivity, finding similar responses in both groups. This demonstrates that cell phone radiation can trigger cellular stress responses and DNA damage at exposure levels well below current safety standards.

Why This Matters

This study provides compelling evidence that mobile phone radiation causes measurable DNA damage in human immune cells at extremely low exposure levels. The SAR of 0.037 W/kg is roughly one-fortieth of the current FCC limit of 1.6 W/kg, yet still triggered stress responses and DNA damage markers typically associated with harmful exposures. What makes this research particularly significant is that it used advanced molecular techniques to detect 53BP1 and gamma-H2AX foci, which are considered gold-standard biomarkers for DNA double-strand breaks. The fact that both electromagnetically hypersensitive and healthy individuals showed similar cellular responses suggests these biological effects occur regardless of perceived sensitivity. This adds to a growing body of independent research demonstrating that current safety standards, which only consider thermal effects, fail to protect against the non-thermal biological impacts of wireless radiation that occur at everyday exposure levels.

Exposure Details

SAR
0.037 W/kg
Source/Device
905–915 MHz
Exposure Duration
continuous for 1 hour

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 0.037 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Severe Concern rangeFCC limit is 43x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 915 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 915 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

In the present study, we investigated effects of MWs of Global System for Mobile Communication (GSM) at different carrier frequencies on human lymphocytes from healthy persons and from persons reporting hypersensitivity to electromagnetic fields (EMFs).

We measured the changes in chromatin conformation, which are indicative of stress response and genot...

We found that MWs from GSM mobile telephones affect chromatin conformation and 53BP1/gamma-H2AX foci...

Cite This Study
Markovà E, Hillert L, Malmgren L, Persson BR, Belyaev IY. (2005). Microwaves from GSM mobile telephones affect 53BP1 and gamma-H2AX foci in human lymphocytes from hypersensitive and healthy persons. Environ Health Perspect. 2005 Sep;113(9):1172-7. doi: 10.1289/ehp.7561. PMID: 16140623; PMCID: PMC1280397.
Show BibTeX
@article{e_2005_microwaves_from_gsm_mobile_1072,
  author = {Markovà E and Hillert L and Malmgren L and Persson BR and Belyaev IY.},
  title = {Microwaves from GSM mobile telephones affect 53BP1 and gamma-H2AX foci in human lymphocytes from hypersensitive and healthy persons.},
  year = {2005},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/16140623/},
}
PubMed: 16140623

Cited By (123 papers)

View all 123 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, a 2005 study found that GSM radiation at 905-915 MHz frequencies affects DNA repair proteins 53BP1 and gamma-H2AX in human immune cells. One-hour exposures triggered cellular stress responses similar to heat shock, indicating DNA damage at levels below current safety standards.
No, research shows that lymphocytes from electromagnetically hypersensitive people respond the same way as healthy individuals to GSM radiation. Both groups showed identical DNA damage markers and cellular stress responses when exposed to 905-915 MHz frequencies for one hour.
Yes, GSM mobile phone radiation alters chromatin conformation in human lymphocytes (immune cells). The 2005 study demonstrated that one-hour exposures to 905-915 MHz frequencies caused structural changes in DNA packaging similar to those seen during heat shock stress.
Yes, biological effects from GSM mobile phone radiation depend on the specific carrier frequency used. Research found that different frequencies within the GSM band (905-915 MHz) produce varying responses in human lymphocytes, suggesting frequency-specific cellular interactions.
GSM radiation can trigger DNA damage markers in human lymphocytes within one hour of exposure. The study found that 905-915 MHz frequencies caused measurable changes in DNA repair proteins and cellular stress responses after just 60 minutes of exposure.