6,486 Studies Reviewed. 85.2% of Original Studies Found Biological Effects. The Evidence is Clear.
All Exposure Types

Electric Fields

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Electric fields are produced by voltage (electrical pressure) and exist whenever a device is plugged in, even if turned off. They are measured in volts per meter (V/m). Electric fields can be blocked by walls and most materials, but often concentrate near ungrounded wiring and electronics.

Concern Level Thresholds

Based on Building Biology Institute guidelines (V/m (volts per meter)):

No Concern
< 0.3 V/m
Slight Concern
0.3 – 1.5 V/m
Severe Concern
1.5 – 10 V/m
Extreme Concern
> 10 V/m

Showing 294 studies with measured electric fields exposure

Brain & Nervous SystemNo Effects Found

Lack of behavioral effects in non-human primates after exposure to ultrawideband electromagnetic radiation in the microwave frequency range.

Sherry CJ, Blick DW, Walters TJ, Brown GC, Murphy MR · 1995

Researchers examined the effect of acute ultrawideband electromagnetic radiation exposure on monkeys performing a Primate Equilibrium Platform task. The exposure had no effect on task performance when tested immediately after exposure. Each monkey was exposed twice for 2 minutes at a pulse repetition rate of 60 Hz with a peak electric field strength of 250 kV/m.

Neuroprotective effects of sevoflurane against electromagnetic pulse-induced brain injury through inhibition of neuronal oxidative stress and apoptosis.

Deng B et al. · 2014

Researchers investigated the effects of sevoflurane on brain injury caused by electromagnetic pulse (EMP) exposure in rats and in cultured neurons. Rats were exposed to EMP and immediately treated with sevoflurane, and their brain tissue and behavior were assessed. Sevoflurane alleviated neuronal abnormalities in the cerebral cortex and reduced learning and memory deficits caused by EMP exposure. In cell experiments, EMP exposure reduced cell viability and increased LDH release, and sevoflurane treatment ameliorated these effects.

Effect of Electromagnetic Pulses (EMP) on associative learning in mice and a preliminary study of mechanism.

Chen YB, Li J, Liu JY, Zeng LH, Wan Y, Li YR, Ren D, Guo GZ. · 2011

Researchers exposed male BALB/c mice to electromagnetic pulses at a peak intensity of 400 kV/m for a total of 200 pulses, then measured associative learning, oxidative stress in the brain, and serum chemistry. Associative learning was reduced significantly at 12 hours and 1 day after exposure compared with sham control, but recovered at 2 days post exposure. Lipid peroxidation and chemiluminescence intensity in brain tissue increased significantly, while activity of antioxidant enzymes decreased significantly, at 3 h, 6 h, 12 h and 1 d post EMP exposure, with all parameters recovering at 2 days. Pretreatment with TMG showed protective effects against EMP exposure.

BIOLOGICAL MEASUREMENTS IN RODENTS EXPOSED CONTINUOUSLY THROUGHOUT THEIR ADULT LIFE TO PULSED ELECTROMAGNETIC RADIATION

S. J. Baum et al. · 1975

This 1975 study examined biological effects in rodents continuously exposed to pulsed electromagnetic radiation throughout their adult lives. The research represents early efforts to understand long-term EMF exposure impacts using animal models. While specific findings aren't available, this type of lifetime exposure study provides important data for understanding cumulative EMF health effects.

The Psychologic Consequences of Exposure to High Density Pulsed Electromagnetic Energy

F. G. Hirsch, D. R. McGrann, T. D. Hamish · 1968

This 1968 study examined how high-density pulsed electromagnetic fields affected psychological and behavioral responses in laboratory rodents, including maze learning performance. The research represents early scientific recognition that electromagnetic energy exposure could influence brain function and behavior, not just physical tissue heating.

Human response to very low-frequency electromagnetic energy

Frey AH · 1963

Researchers measured alternating electric fields at a VLF transmitter site operating at 14.7 kc with 1100 kw radiated power. At the tower top center the field was 30,000 volts per meter and tingling occurred on bare metal and sometimes on painted metal. At the ladder top the field reached 989,000 volts per meter, producing strong shocks comparable to a 115 volts ac line and causing reflex withdrawal without muscle freezing.

Effects of external electromagnetic fields on the conformational sampling of a short alanine peptide.

Solomentsev GY, English NJ, Mooney DA · 2012

Researchers performed non-equilibrium molecular dynamics simulations of a solvated 21-residue polyalanine peptide at 300 K and 1 bar with external electromagnetic fields at 2.45 GHz and electric field intensities of 0.01–0.05 V/Å. The peptide naturally tends to form stable secondary structure elements stabilized by tertiary interactions. External fields disrupted this behavior through localized dipolar alignment that enhanced hydrogen bond perturbations, causing more frequent transitions between shorter-lived conformational states. The study reported 16 independent 40-nanosecond trajectories starting from both extended and fully folded states.