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.
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.
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.
Unknown authors · 2019
Researchers analyzed 55,507 pregnant women across four countries to examine whether maternal cell phone use affects pregnancy outcomes. They found that moderate to heavy cell phone use during pregnancy was associated with shorter pregnancy duration and increased risk of preterm birth. The study found no effects on birth weight or fetal growth measures.
Unknown authors · 2019
German researchers exposed honey bee queen larvae to 900 MHz mobile phone radiation (the same frequency used by GSM cell phones) for 14 days during their development. They found that cell phone radiation significantly reduced the hatching rate of queen bees, though those that did survive showed normal mating success and colony development. This study provides evidence that everyday mobile phone radiation can disrupt critical developmental stages in pollinators.
Unknown authors · 2019
Researchers exposed pregnant mice and their offspring to LTE cell phone signals (1,846 MHz) during critical early development periods. The study found that this early-life exposure caused lasting behavioral changes that persisted into adulthood, with different effects depending on radiation intensity. This suggests that exposure to cell phone radiation during pregnancy and early childhood may have permanent consequences for behavior and brain function.
Unknown authors · 2019
Researchers exposed adult male rats to 900 MHz radiofrequency waves (the same frequency used by many cell towers) for either 2 or 4 hours daily over 30 days. The exposed rats showed reduced testosterone levels, decreased production of enzymes needed for testosterone creation, and increased inflammatory molecules in their testes. The findings suggest that prolonged exposure to cell tower radiation may disrupt male reproductive function through both hormonal and inflammatory pathways.
Sharma A, Sharma S, Shrivastava S, Singhal PK, Shukla S · 2019
Researchers exposed male rats to 2100 MHz microwave radiation (the frequency used by many 3G cell phones) for 4 hours daily over 3 months. The exposed rats showed significant impairments in learning ability, muscle strength, and anxiety levels, along with measurable brain damage in the hippocampus and disrupted neurochemical function. The study found that this level of radiation exposure caused visible neural degeneration and oxidative stress in brain tissue.
