Ozdemir E, Demirkazik A, Taskıran AS, Arslan G · 2019
This study investigated the role of serotonin receptors in electromagnetic field (EMF)-induced analgesia in rats exposed to 50 Hz, 5 mT alternating EMF for 15 days. The researchers found that activating 5-HT1 and 5-HT2 serotonin receptors enhanced EMF-induced pain relief, while blocking these receptors reduced it, suggesting these receptors are involved in the analgesic mechanism of EMF exposure.
Nishimura T, Tada H, Fukushima M · 2019
This study examined whether exposure to an extremely low-frequency electromagnetic field (ELF-EMF) affects tail-lifting behavior in central bearded dragons (Pogona vitticeps) in relation to lunar phases. The research investigated potential correlations between lunar cycles, EMF exposure, and this specific behavioral response in the lizards.
Lacroix A et al. · 2019
Researchers applied static magnetic fields to participants' motor cortex while they learned a finger-tapping sequence task. They found that magnetic stimulation over the brain region controlling the hand significantly impaired the ability to learn during practice, but didn't affect retention or relearning the next day. This demonstrates that static magnetic fields can disrupt brain processes involved in real-time motor learning.
Karimi AS, Salehi I, Shykhi T, Zare S, Komaki A · 2019
Researchers exposed rats to extremely low frequency electromagnetic fields (ELF-EMF) at various strengths for 60 days to study effects on memory and anxiety. They found that ELF-EMF exposure improved memory retention in some tests but increased anxiety-like behavior and oxidative stress markers in the brain.
Jakubowska M, Urban-Malinga B, Otremba Z, Andrulewicz E · 2019
This study examined how a 50 Hz, 1 mT electromagnetic field (typical of submarine cable environments) affected the behavior and energy metabolism of Hediste diversicolor, a marine polychaete worm. The worms showed enhanced burrowing activity and reduced ammonia excretion under EMF exposure, while maintaining positive energy balance and food consumption rates similar to controls.
Unknown authors · 2019
Researchers tested whether the static magnetic field (350 μT) from electric vehicles affects driving performance and brain function in 17 student volunteers. They found no significant impact on driving ability or cognitive functions, though they detected a correlation between specific brain wave patterns and reaction times.
Unknown authors · 2019
Researchers gave young rats a low dose of MK-801 (a brain receptor blocker) and exposed them to static magnetic fields during critical brain development. While MK-801 alone caused no lasting problems, combining it with magnetic field exposure led to significant learning, memory, and behavioral issues in adult rats. This suggests magnetic fields can amplify the harmful effects of certain brain chemicals.
Unknown authors · 2019
Researchers exposed male rats to 50 Hz electromagnetic fields (the same frequency as power lines) and found improved sperm function and changes to cellular structures called microtubules in both brain and sperm cells. The electromagnetic field exposure actually enhanced sperm movement and viability while altering the protein structures that help form cellular scaffolding.
Ding H-M et al. · 2019
This study exposed adult male C57BL/6 mice to simulated hypomagnetic fields (absence of geomagnetic field) for 72 hours using a Helmholtz-coil system. The researchers found that short-term hypomagnetic field exposure induced a significant increase in anxiety-related behaviors in the mice.
Unknown authors · 2019
Researchers tested power line workers exposed to extremely low frequency magnetic fields (50/60 Hz) and found significant DNA damage in their blood cells compared to unexposed controls. The workers' exposure levels were below current safety limits, with a median magnetic field strength of 0.85 µT. This study demonstrates that even low-level occupational EMF exposure can cause genetic damage.
Yao F et al. · 2019
Researchers exposed brain cells that create myelin (the protective coating around nerve fibers) to low-frequency pulsed electromagnetic fields. The electromagnetic fields helped these cells mature and produce more myelin, which could potentially aid recovery from spinal cord injuries. The study found this happened through specific genetic mechanisms involving microRNAs.
Wang Y et al. · 2019
This study investigated whether exposure to 50 Hz magnetic fields at 100 μT induces DNA damage in cardiomyocytes using both in vitro human cell cultures and in vivo rat models. The results showed that ELF-MF exposure did not induce DNA damage, alter cell cycle distribution, increase reactive oxygen species, or significantly change p53 and Hsp70 protein expression levels.
Sun L, Li X, Ma H, He R, Donkor PO · 2019
Scientists exposed Irpex lacteus, a medicinal fungus, to low-intensity electromagnetic fields and found it altered the expression of thousands of genes, affecting cell growth, amino acid production, and polysaccharide content. The changes persisted for hours after exposure ended, with 44 genes showing lasting effects. This demonstrates that even low-intensity EMF can trigger widespread biological changes at the genetic level in living organisms.
Unknown authors · 2019
Researchers exposed rainbow trout larvae, marine clams, and ragworms to 50 Hz electromagnetic fields at 1 milliTesla strength for up to 40 days. All three species showed DNA damage and cellular abnormalities, with clams experiencing the most severe effects across six different measures of genetic and cellular harm. This is the first study to demonstrate that power-line frequency EMF can damage aquatic life at the cellular level.
Unknown authors · 2019
Researchers exposed retinal pigment epithelial cells (crucial for eye health) to 50 Hz electromagnetic fields for three days. While cell survival wasn't affected, the EMF exposure significantly increased expression of genes that promote blood vessel formation, which could contribute to eye diseases involving abnormal blood vessel growth.
Unknown authors · 2019
Researchers exposed yeast cells to two types of magnetic fields - continuous 50 Hz fields and pulsed 25 Hz fields - for 40 days to study aging effects. The pulsed magnetic field exposure accelerated cellular aging and altered genetic stability, while the continuous field showed no such effects. This suggests that the timing pattern of EMF exposure, not just frequency, may determine biological impact.
Unknown authors · 2019
Researchers exposed rats to 50 Hz electromagnetic fields at various intensities for 60 days and found that low-level exposures (1-100 µT) significantly reduced the expression of immune-regulating genes in the spleen. The thymus showed no significant changes, suggesting organ-specific effects from power line frequency EMF exposure.
Jin Y et al. · 2019
This study investigated how static magnetic fields (SMF) affect root growth in Arabidopsis seedlings at different intensities and orientations. The researchers found that 600 mT magnetic fields aligned parallel to gravity (N0) enhanced root growth through increased cell division and auxin signaling, involving the PIN3 and AUX1 genes, while this effect was absent in corresponding mutants.
Dong D et al. · 2019
Researchers exposed bone cells to an extremely powerful 16 Tesla magnetic field (about 320,000 times stronger than Earth's magnetic field) and found it prevented the formation of osteoclasts, cells that break down bone tissue. The magnetic field worked by disrupting iron metabolism within the cells, which is essential for normal bone cell function.
Unknown authors · 2019
Researchers exposed human gum tissue cells to extremely low-frequency electromagnetic fields at 1 mT strength to study wound healing. Both sinusoidal and pulsed EMF exposures accelerated the healing process by triggering beneficial inflammatory responses and increasing cell movement and metabolism. The study suggests these fields could offer a non-invasive treatment option for wound repair.
Unknown authors · 2019
Researchers studied stroke patients receiving extremely low frequency electromagnetic field treatment alongside standard physical therapy. They found that EMF exposure increased levels of certain inflammatory molecules in the blood, particularly IL-1β and IL-2. The authors suggest these changes might actually help protect brain cells during recovery.
Unknown authors · 2019
Researchers studied 102 thermal power plant workers exposed to extremely low frequency electromagnetic fields and compared their blood samples to 136 unexposed workers. The exposed workers showed significantly higher levels of DNA damage measured through specialized laboratory tests. The study suggests that long-term workplace exposure to power line frequencies may cause genetic damage in human cells.
Baek S, Choi H, Park H, Cho B, Kim S, Kim J · 2019
This study examined how hypomagnetic fields (HMFs) affect embryonic stem cell differentiation in rodents, focusing on epigenetic changes. The researchers found that HMF conditions impaired differentiation capacity and caused abnormal DNA methylation patterns by disrupting the expression of DNA methyltransferase3b (Dnmt3b), leading to incomplete methylation during cell fate determination.
Ahmadi-Zeidabadi, M., Z. · 2019
Researchers exposed human glioblastoma (aggressive brain cancer) cells to a 100 Hz, 100 Gauss extremely low-frequency electromagnetic field while administering the chemotherapy drug Temozolomide. The combined treatment significantly enhanced the drug's anti-cancer effects, reducing cancer stem cell markers by 40-60% and increasing cellular stress indicators. This suggests EMF exposure may overcome drug resistance in brain cancer treatment.
(VT, VO, AE, LE · 2019
Researchers exposed human heart cells and rats to 50 Hz magnetic fields at 100 µT (a level comparable to standing near power lines) for up to 7 days and found no DNA damage, oxidative stress, or changes in stress-response proteins. Both lab dish experiments and living animal tests showed no detectable harmful effects at this specific exposure level and duration. This suggests that brief, moderate-intensity power-frequency magnetic fields may not directly damage heart tissue.
