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DNA & Genetic Damage

The effect of vitamin E and C on comet assay indices and apoptosis in power plant workers: A double blind randomized controlled clinical trial

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Authors not listed · 2020

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Antioxidant vitamins significantly reduced DNA damage in power plant workers exposed to extremely low frequency electromagnetic fields.

Plain English Summary

Summary written for general audiences

Researchers gave vitamin E and C supplements to 81 thermal power plant workers exposed to extremely low frequency electromagnetic fields. Workers taking vitamins showed significantly less DNA damage in their blood cells compared to those receiving no supplements, with vitamin E appearing most protective.

Why This Matters

This study provides compelling evidence that occupational EMF exposure causes measurable DNA damage in human cells, and that antioxidant vitamins can offer meaningful protection. The fact that power plant workers showed reduced genetic damage after vitamin supplementation suggests their baseline exposure was causing real biological harm. What makes this particularly relevant is that these workers face similar extremely low frequency fields that emanate from electrical infrastructure throughout our communities. While most of us aren't exposed to power plant levels, we're all surrounded by 60 Hz fields from electrical wiring, appliances, and transmission lines. The protective effect of vitamins E and C indicates that EMF-induced oxidative stress is a key mechanism of biological damage, supporting decades of research showing these fields generate harmful free radicals in living tissue.

Exposure Information

Specific exposure levels were not quantified in this study.

Cite This Study
Unknown (2020). The effect of vitamin E and C on comet assay indices and apoptosis in power plant workers: A double blind randomized controlled clinical trial.
Show BibTeX
@article{the_effect_of_vitamin_e_and_c_on_comet_assay_indices_and_apoptosis_in_power_plant_workers_a_double_blind_randomized_controlled_clinical_trial_ce3963,
  author = {Unknown},
  title = {The effect of vitamin E and C on comet assay indices and apoptosis in power plant workers: A double blind randomized controlled clinical trial},
  year = {2020},
  doi = {10.1016/j.mrgentox.2020.503150},
  
}
DOI: 10.1016/j.mrgentox.2020.503150PubMed: 32247559

Quick Questions About This Study

Yes, this study found that vitamin E (400 units daily) and vitamin C (1000 mg daily) significantly reduced DNA damage markers in thermal power plant employees exposed to extremely low frequency electromagnetic fields.
Vitamin E appeared most effective, reducing all DNA damage markers measured by comet assay. The combination of vitamins E and C was also highly protective, while vitamin C alone helped with most indicators.
No, the vitamins had no effect on apoptosis (programmed cell death) or necrosis. The protective benefits were limited to preventing DNA strand breaks and other genetic damage markers.
The study enrolled workers between July and November 2017, suggesting several months of supplementation. The exact duration isn't specified, but significant DNA protection was measurable by study completion.
Comet assay measurements improved significantly, including reduced tail intensity and tail length (indicators of DNA strand breaks). These are standard laboratory markers for genetic damage from radiation exposure.