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DNA & Genetic Damage

Epinephrine, DNA integrity and oxidative stress in workers exposed to extremely low-frequency electromagnetic fields (ELF-EMFs) at 132 kV substations

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Tiwari R, Lakshmi NK, Bhargava SC, Ahuja YR · 2015

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Workers at 132 kV electrical substations show dose-dependent increases in stress hormones, DNA damage, and oxidative stress.

Plain English Summary

Summary written for general audiences

Researchers studied 142 workers at 132 kV electrical substations and compared them to 151 unexposed controls, measuring stress hormones, DNA damage, and cellular oxidative stress. Workers with higher EMF exposure showed elevated epinephrine (stress hormone) levels, increased DNA damage, and higher oxidative stress markers. The study suggests that occupational exposure to extremely low-frequency electromagnetic fields may affect the body's stress response and cellular health.

Cite This Study
Tiwari R, Lakshmi NK, Bhargava SC, Ahuja YR (2015). Epinephrine, DNA integrity and oxidative stress in workers exposed to extremely low-frequency electromagnetic fields (ELF-EMFs) at 132 kV substations.
Show BibTeX
@article{epinephrine_dna_integrity_and_oxidative_stress_in_workers_exposed_to_extremely_low_frequency_electromagnetic_fields_elf_emfs_at_132_kv_substations_ce4239,
  author = {Tiwari R and Lakshmi NK and Bhargava SC and Ahuja YR},
  title = {Epinephrine, DNA integrity and oxidative stress in workers exposed to extremely low-frequency electromagnetic fields (ELF-EMFs) at 132 kV substations},
  year = {2015},
  doi = {10.3109/15368378.2013.869755},
  
}
DOI: 10.3109/15368378.2013.869755PubMed: 24460415

Quick Questions About This Study

Yes, the study found workers exposed to 132 kV substations had significantly elevated epinephrine (stress hormone) levels, with higher exposure groups showing progressively higher concentrations - from 48.47 in low exposure to 75.22 in high exposure groups.
The research documented DNA damage in exposed workers ranging from 1.69 to 9.91 micrometers using comet assay testing. Workers performing live-line procedures showed the most significant genetic damage compared to unexposed controls.
Oxidative stress occurs when harmful free radicals overwhelm the body's antioxidant defenses, potentially damaging cells. The study found significantly increased oxidative stress levels in workers exposed to extremely low-frequency electromagnetic fields at substations.
Yes, workers performing live-line procedures showed the highest vulnerability to electromagnetic stress, with the most altered epinephrine concentrations, greatest DNA damage, and highest oxidative stress levels among all exposure groups studied.
The study demonstrates that ELF-EMF exposure significantly affects hormone production, specifically increasing epinephrine levels in a dose-dependent manner. This suggests the endocrine system recognizes electromagnetic fields as a biological stressor requiring hormonal response.