Adaptive response in mice exposed to 900 MHz radiofrequency fields: primary DNA damage.
Jiang B, Nie J, Zhou Z, Zhang J, Tong J, Cao Y. · 2012
View Original AbstractMice exposed to cell phone-level RF radiation developed cellular defenses against DNA damage, suggesting biological recognition of RF as a stressor.
Plain English Summary
Researchers exposed mice to cell phone radiation (900 MHz) for up to 14 days, then tested DNA damage from high-dose radiation. Mice pre-exposed for 3+ days showed significantly less DNA damage, suggesting low-level RF exposure may help cells resist radiation damage.
Why This Matters
This study reveals a fascinating biological phenomenon that complicates our understanding of RF radiation effects. The research demonstrates that exposure to 900 MHz radiation at 120 µW/cm² - a level comparable to what you might experience from a cell phone during a call - can actually trigger protective cellular mechanisms. However, this 'adaptive response' shouldn't be interpreted as proof that RF radiation is beneficial. The reality is that this protective effect only emerged after multiple days of 4-hour exposures, and it was measured against high-dose ionizing radiation, not the everyday biological stresses your cells normally face. What this means for you is that your body may be mounting defensive responses to RF exposure that we're only beginning to understand - responses that indicate your cells recognize RF as a stressor requiring adaptation.
Exposure Details
- Power Density
- 0.12 µW/m²
- Source/Device
- 900-MHz
- Exposure Duration
- 4 hours/day for 1, 3, 5, 7 and 14 days
Exposure Context
This study used 0.12 µW/m² for radio frequency:
- 12Mx above the Building Biology guideline of 0.1 μW/m²
- 200Kx above the BioInitiative Report recommendation of 0.0006 μW/cm²
Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.
Where This Falls on the Concern Scale
Study Details
We have examined whether such AR could be induced in mice exposed to non-ionizing radiofrequency fields (RF) used for wireless communications
Mice were pre-exposed to 900 MHz RF at 120 µW/cm2 power density for 4 hours/day for 1, 3, 5, 7 and 1...
The results indicated that the extent of damage in mice which were pre-exposed to RF for 1 day and t...
Thus, the data indicated that RF pre-exposure is capable of inducing AR and suggested that the pre-exposure for more than 4 hours for 1 day is necessary to elicit such AR.
Show BibTeX
@article{b_2012_adaptive_response_in_mice_757,
author = {Jiang B and Nie J and Zhou Z and Zhang J and Tong J and Cao Y.},
title = {Adaptive response in mice exposed to 900 MHz radiofrequency fields: primary DNA damage.},
year = {2012},
url = {https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0032040},
}