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.
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.
Kim JH, Huh YH, Kim HR · 2019
This study examined the effects of 835 MHz radiofrequency electromagnetic field exposure (4.0 W/kg SAR, 5 hours daily for 12 weeks) on synaptic vesicle trafficking in the hypothalamus of C57BL/6 mice. The researchers found significantly decreased numbers and sizes of synaptic vesicles, reduced density of docking and fusing vesicles in active zones, and decreased expression of synapsin I/II and synaptotagmin 1, though no significant changes in body temperature, weight, or behavioral measures were observed.
Unknown authors · 2019
Australian researchers studied 412 primary school children to examine whether mobile phone use affects cognitive function, using advanced statistical modeling called Monte Carlo simulation to account for measurement uncertainties. The study found weak evidence of cognitive effects, but when accounting for data uncertainties, the results moved closer to showing no effect at all.
Unknown authors · 2019
Researchers exposed human corneal epithelial cells from the eye to 5.8 GHz electromagnetic fields (the frequency used for wireless power transfer systems) at 1 mW/cm² for 24 hours. The study found no statistically significant effects on DNA damage, micronucleus formation, or stress protein expression. This research was designed to assess safety concerns for emerging wireless power transfer technology in vehicles.
Unknown authors · 2019
Researchers exposed umbilical cord blood stem cells to microwave radiation from GSM900 and UMTS mobile phones to test for cellular damage linked to childhood leukemia. While the radiation caused a temporary increase in reactive oxygen species (cell-damaging molecules) after one hour of UMTS exposure, it did not cause DNA breaks, cancer-promoting gene changes, or cell death. The oxidative stress disappeared within three hours, suggesting these stem cells can recover from short-term mobile phone radiation exposure.
Wang CX et al. · 2019
Researchers exposed participants to Earth-strength magnetic fields while monitoring their brain activity with EEG. They discovered that specific magnetic field rotations caused measurable changes in brain waves (alpha oscillations), but only when the field was oriented as it naturally occurs in the Northern Hemisphere. This suggests humans possess an unconscious magnetic sensing ability similar to migratory animals.
Cabre-Riera A et al. · 2018
Spanish researchers studied 226 adolescents aged 17-18 to examine how different wireless devices affect sleep quality. They found that frequent cordless phone use, mobile phone dependency, and tablet use were all linked to worse sleep quality and more nighttime awakenings. The study suggests that blue light exposure and mental stimulation may be more important factors than radiofrequency radiation itself.
Kato T, Yorifuii T, Yamakawa M, Inoue S · 2018
Japanese researchers tracked 9,607 children from age 6 to 12, finding that kids who went to bed late at age 6 were nearly twice as likely to excessively use mobile phones, especially for texting, by age 12. The study also found increased risks for excessive TV viewing and video game use among the late-bedtime children.
Foerster et al · 2018
Swiss researchers followed 669 adolescents for one year, measuring their brain's exposure to cell phone radiation and testing their memory performance. They found that teens with higher cumulative radiation exposure to their brains showed decreased figural memory scores, particularly those who held phones to their right ear. The effect was strongest when using actual network data to calculate radiation doses.
Kirimoto H et al. · 2018
Researchers tested transcranial static magnetic field stimulation (tSMS) on 18 healthy volunteers, applying magnetic fields to different brain regions for 15 minutes. They found that magnetic stimulation over the motor cortex reduced pain-related brain responses, while stimulation over the sensory cortex had no effect. This suggests static magnetic fields can alter how the brain processes pain signals.
Gallasch E, Rafolt D, Postruznik M, Fresnoza S, Christova M · 2018
Researchers tested whether rotating magnets over the brain could alter brain activity, comparing this technique to electrical brain stimulation. They found that 20 Hz magnetic fields from rotating magnets decreased brain excitability, while electrical stimulation increased it. This suggests rotating magnetic devices could become new tools for brain therapy.
Dileone M, Mordillo-Mateos L, Oliviero A, Foffani G · 2018
Researchers tested transcranial static magnetic field stimulation (tSMS) on 45 healthy people to see how long the brain effects last. They found that 30 minutes of magnetic stimulation created lasting changes in brain activity that persisted for at least 30 minutes after treatment ended, while shorter 10-minute sessions only produced temporary effects. This suggests the duration of magnetic field exposure determines whether brain changes are temporary or long-lasting.
Unknown authors · 2018
Researchers exposed human bone marrow cells to pulsed electromagnetic fields (PEMFs) and found the treatment strongly prevented the formation of osteoclasts, the cells that break down bone tissue. The effect was particularly pronounced in cells from older women, suggesting PEMFs work by activating bone-building osteoblast cells. This finding supports using PEMF therapy to maintain bone density in people with osteoporosis.
Fan W, Huang Z, Fan B · 2018
This study examined how prolonged exposure to moderate static magnetic field (SMF) at 170 mT, alone and combined with alkaline pH, affects the bacterium Enterococcus faecalis. The results showed that SMF exposure inhibited cell proliferation after 120 hours, and the combination of SMF with alkaline pH demonstrated synergistic antimicrobial effects while simultaneously upregulating stress response and virulence genes in the surviving bacteria.
Unknown authors · 2018
Turkish researchers tested whether 15-minute mobile phone exposure affects attention in 30 emergency physicians using standardized cognitive tests. They found that physicians exposed to active phones (900-1800 MHz) actually performed better on selective attention tasks compared to those holding inactive phones. The study suggests short-term phone radiation may temporarily enhance certain cognitive functions.
Unknown authors · 2018
German researchers exposed human blood cells to 900 MHz cell phone frequency radiation for up to 90 minutes at high power levels (9.3 W/kg). They found no significant changes in gene expression that could be attributed to the electromagnetic fields rather than statistical noise. The study suggests short-term RF exposure doesn't trigger detectable genetic responses in blood cells.
Unknown authors · 2018
Researchers examined hair follicle cells from men's ear canals and found DNA damage increased with daily mobile phone use duration. The study compared non-users to light users (under 30 minutes), moderate users (30-60 minutes), and heavy users (over 60 minutes daily). DNA damage markers were consistently higher in all phone user groups compared to non-users.
Lian HY, Lin KW, Yang C, Cai P · 2018
Researchers exposed yeast cells to both 2.0 GHz radiofrequency and 50 Hz extremely low frequency electromagnetic fields and found increased generation and spread of prions (misfolded proteins linked to disease). The effect increased with exposure time and was dose-dependent for the 50 Hz exposures. The study suggests EMF exposure may trigger protein misfolding through oxidative stress mechanisms.
Gulati S, Yadav A, Kumar N, Priya K, Aggarwal NK, Gupta R · 2018
This study examined antioxidant enzyme activity (SOD and CAT), lipid peroxidation, and genetic polymorphisms in individuals living near mobile towers compared to controls. The researchers found significantly lower antioxidant enzyme activity and higher lipid peroxidation in exposed subjects, with genetic polymorphisms in antioxidant genes contributing to these differences and showing associations with genetic damage.
Lozano-Soto E et al. · 2018
Researchers tested whether placing a static magnet on the back of the head could reduce light sensitivity (photophobia) in 20 healthy volunteers. They found that 10 minutes of magnetic field exposure significantly reduced discomfort from bright lights compared to a fake treatment. This suggests the visual cortex in the brain contributes to light sensitivity and that magnetic field therapy might help treat photophobia in migraine patients.
Ertilav K, Uslusoy F, Ataizi S, Nazıroğlu M. · 2018
Researchers exposed rats to cell phone frequencies (900 and 1800 MHz) for one hour daily, five days a week for an entire year, then examined brain tissue for damage. They found significant cellular damage including cell death, oxidative stress, and disrupted calcium channels in the hippocampus (memory center) and nerve tissues. The higher frequency (1800 MHz) caused more severe damage than the lower frequency, suggesting a dose-response relationship.
Laszlo AM et al. · 2018
Researchers exposed turkeys to 50 Hz magnetic fields (the type from power lines) for three weeks and found it disrupted their stress response system by reducing a key cellular signaling pathway called beta-adrenoceptor function. The birds' systems returned to normal after five weeks without exposure, suggesting the effects were reversible. This matters because it shows even relatively low-level magnetic field exposure can alter fundamental biological processes in living animals.
Gulati S, Yadav A, Kumar N, Priya K, Aggarwal NK, Gupta R · 2017
This study measured radiofrequency radiation exposure at Stockholm Central Railway Station using an exposimeter across 20 frequency bands. The median exposure was 921 µW/m², with mean levels ranging from 2,817-4,891 µW/m² per walking round, and hotspots exceeding 95,544 µW/m² near base stations.
Zothansiama, Zosangzuali M, Lalramdinpuii M, Jagetia GC · 2017
Researchers studied people living within 80 meters of cell phone towers and found significantly higher DNA damage in their blood cells compared to people living 300 meters away. The study also showed that those closer to towers had reduced antioxidant levels, suggesting their bodies were under greater oxidative stress from the radiofrequency radiation exposure.
