8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Effects of 2G and 3G mobile phones on human alpha rhythms: Resting EEG in adolescents, young adults, and the elderly.

Bioeffects Seen

Croft RJ, Leung S, McKenzie RJ, Loughran SP, Iskra S, Hamblin DL, Cooper NR. · 2010

View Original Abstract
Share:

Cell phone radiation measurably alters brain waves in young adults but not in teenagers or elderly people, revealing age-dependent sensitivity patterns.

Plain English Summary

Summary written for general audiences

Researchers exposed 103 people across three age groups (teens, young adults, and elderly) to 2G and 3G cell phone signals while measuring their brain waves. They found that only young adults (ages 19-40) showed changes in their alpha brain waves when exposed to 2G signals, while teenagers and elderly participants showed no effects from either 2G or 3G exposure. This suggests that brain sensitivity to cell phone radiation varies significantly by age.

Why This Matters

This study reveals something crucial that the wireless industry rarely discusses: age matters when it comes to EMF sensitivity. The finding that only young adults showed measurable brain wave changes challenges the one-size-fits-all approach to EMF safety standards. What makes this particularly significant is that it contradicts common assumptions about vulnerability. Many expect children and elderly people to be more sensitive to EMF exposure, yet this research shows the opposite pattern for brain wave activity. The reality is that we're still learning how different life stages respond to wireless radiation. While the study didn't find effects in teens or elderly participants, this doesn't mean these groups are immune to other types of EMF-related health impacts. The science demonstrates that our brains respond measurably to cell phone radiation, and these responses vary in ways we don't fully understand.

Exposure Information

A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 12 Hz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 12 HzPower lines50/60 HzCell phones~1 GHzWiFi2.4 GHz5G mm28 GHzLogarithmic scale

Specific exposure levels were not quantified in this study. The study examined exposure from: 8-12 Hz Duration: At least 4 days

Study Details

The present study was conducted to determine whether adolescents and/or the elderly are more sensitive to mobile phone (MP)-related bioeffects than young adults, and to determine this for both 2nd generation (2G) GSM, and 3rd generation (3G) W-CDMA exposures.

To test this, resting alpha activity (8-12 Hz band of the electroencephalogram) was assessed because...

Consistent with previous research, the young adults' alpha was greater in the 2G compared to Sham co...

The results provide further support for an effect of 2G exposures on resting alpha activity in young adults, but fail to support a similar enhancement in adolescents or the elderly, or in any age group as a function of 3G exposure.

Cite This Study
Croft RJ, Leung S, McKenzie RJ, Loughran SP, Iskra S, Hamblin DL, Cooper NR. (2010). Effects of 2G and 3G mobile phones on human alpha rhythms: Resting EEG in adolescents, young adults, and the elderly. Bioelectromagnetics.31(6):434-444,2010.
Show BibTeX
@article{rj_2010_effects_of_2g_and_2003,
  author = {Croft RJ and Leung S and McKenzie RJ and Loughran SP and Iskra S and Hamblin DL and Cooper NR.},
  title = {Effects of 2G and 3G mobile phones on human alpha rhythms: Resting EEG in adolescents, young adults, and the elderly.},
  year = {2010},
  
  url = {https://pubmed.ncbi.nlm.nih.gov/20564174/},
}
PubMed: 20564174

Cited By (93 papers)

View all 93 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, alpha brain waves respond differently to phone radiation based on age. A 2010 study found that only young adults (ages 19-40) showed increased alpha wave activity when exposed to 2G signals, while teenagers and elderly participants showed no brain wave changes from either 2G or 3G exposure.
Teenagers' brains don't show the same alpha wave changes from cell phone radiation that young adults experience. Research involving 103 participants found that only the 19-40 age group demonstrated increased alpha brain wave activity during 2G exposure, suggesting developing teenage brains respond differently to electromagnetic fields.
3G signals showed no measurable effects on brain waves across any age group tested. While 2G exposure increased alpha wave activity in young adults, 3G exposure produced no detectable changes in teenagers, young adults, or elderly participants, suggesting different electromagnetic frequencies affect the brain differently.
Elderly people's brains showed no measurable response to either 2G or 3G phone radiation exposure. Unlike young adults who demonstrated increased alpha brain wave activity with 2G signals, elderly participants experienced no detectable brain wave changes, indicating age-related differences in electromagnetic field sensitivity.
Resting alpha brain wave measurements can detect certain cell phone radiation effects, particularly from 2G signals in young adults. EEG monitoring revealed increased alpha wave activity during 2G exposure in the 19-40 age group, demonstrating that brain wave analysis provides measurable evidence of electromagnetic field interactions.