EMF Research Studies

Browse 3,138 peer-reviewed studies on electromagnetic field health effects from the BioInitiative Report database.

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DNA & Genetic DamageNo Effects Found

Influence of radiofrequency radiation on chromosome aberrations in CHO cells and its interaction with DNA-damaging agents.

Kerbacher JJ, Meltz ML, Erwin DN, · 1990

Researchers exposed Chinese hamster cells to high-intensity microwave radiation (2450 MHz) at levels far exceeding safety guidelines to see if it would damage chromosomes or make cancer drugs more harmful. Even at these extreme exposure levels-which heated the cells by over 3 degrees-the radiation caused no chromosome damage by itself and didn't increase the genetic damage from chemotherapy drugs. This suggests that radiofrequency radiation at this frequency doesn't directly break DNA or interfere with cellular repair mechanisms.

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Brain & Nervous System

Microwave irradiation of rats at 2.45 GHz activates pinocytotic-like uptake of tracer by capillary endothelial cells of cerebral cortex.

Neubauer C, Phelan AM, Kues H, Lange DG · 1990

Researchers exposed rats to 2.45 GHz microwave radiation (WiFi frequency) at low power levels and found it increased blood-brain barrier permeability after just 30-120 minutes. This protective barrier normally prevents harmful substances from entering brain tissue, suggesting microwave exposure could compromise brain protection.

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DNA & Genetic Damage114 citations

The effect of microwave radiation on the cell genome.

Garaj-Vrhovac V, Horvat D, Koren Z, · 1990

Researchers exposed Chinese hamster cells to microwave radiation at 7.7 GHz (similar to radar frequencies) for up to one hour and found significant DNA damage. The radiation completely blocked cells from entering their normal DNA replication phase and caused chromosome abnormalities that persisted even after exposure ended. This demonstrates that microwave radiation can directly interfere with genetic processes at the cellular level.

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DNA & Genetic Damage

The effect of microwave radiation on the cell genome

Garaj-Vrhovac V, Horvat D, Koren Z · 1990

Researchers exposed hamster cells to microwave radiation at 7.7 GHz for up to one hour and found significant DNA damage. The radiation prevented cells from properly replicating their DNA and caused chromosome abnormalities. While the cells recovered their normal DNA synthesis within one generation, the structural damage to DNA molecules persisted.

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Brain & Nervous System

Microwave effects on acetylcholine-induced channels in cultured chick myotubes.

D’Inzeo, G et al · 1988

Italian researchers exposed muscle cells from chick embryos to low-power microwaves and measured how the cells responded to acetylcholine, a key neurotransmitter that controls muscle contraction. They found that microwave exposure reduced how often cellular channels opened in response to acetylcholine and made the cellular response fade faster. This suggests microwaves can interfere with normal nerve-to-muscle communication at the cellular level, even at low power levels.

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