Unknown authors · 2018
This 2018 review examined biological and pathological effects of 2.45 GHz radiofrequency radiation exposure on cellular function, reproductive fertility, brain tissue, and behavioral outcomes. The review synthesized existing literature on how this specific microwave frequency affects these biological systems.
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.
Hinrikus et al · 2018
This 2018 review by Hinrikus and colleagues explains how low-level microwave radiation affects biological systems through a non-thermal mechanism. The researchers found that microwaves cause water molecules to rotate, which weakens hydrogen bonds and changes how substances move through tissues. This mechanism works even when radiation levels are far too weak to cause heating, suggesting biological effects occur through entirely different pathways than previously understood.
Belpomme et al · 2018
This comprehensive review by international researchers examined the health effects of low-intensity electromagnetic fields from sources like cell phones and wireless devices. The authors found strong evidence linking long-term mobile phone use to increased brain cancer risk, reproductive harm, and neurological problems including a condition called electro-hypersensitivity. They concluded that current safety standards fail to protect public health, especially for children who are more vulnerable to EMF damage.
Unknown authors · 2018
This 2018 meta-analysis examined the association between parental occupational exposure to extremely low frequency (ELF) magnetic fields and the risk of childhood nervous system tumors. The study synthesized evidence from multiple research studies to evaluate whether occupational ELF magnetic field exposure in parents is associated with increased tumor risk in their children.
Zuo H, Liu X, Wang D, Li Y, Xu X, Peng R, Song T · 2018
Chinese researchers exposed rats with Alzheimer's-like symptoms to extremely low frequency electromagnetic fields (50 Hz at 400 µT, similar to household electrical fields) for 60 days. The EMF exposure partially improved the animals' memory and cognitive function through specific protective biochemical pathways in the brain. This suggests that certain types of EMF exposure might offer therapeutic benefits for neurodegenerative disease, though much more research is needed.
Zhang X-Q, Li L, Huo J-T, Cheng M, Li L-H · 2018
Researchers used low-frequency magnetic pulses (0.5 Hz at 1.33 Tesla) to treat rats with vascular dementia, administering 30 pulses daily for 30 days. The treatment significantly improved learning and memory by increasing brain-derived neurotrophic factor (BDNF) and restoring cholinergic neuron activity in the hippocampus. This demonstrates that controlled electromagnetic stimulation can have therapeutic effects on brain function after vascular injury.
Wang L, Yang J, Wang F, Zhou P, Wang K , Ming D · 2018
This study examined the effects of low-frequency pulsed magnetic field (1Hz, 20mT) exposure on depression-like behaviors and hippocampal neural activity in rats subjected to chronic unpredictable stress. The researchers found that 14 days of daily LFPMF exposure significantly reduced depression-like behaviors and improved neural oscillation patterns, specifically enhancing theta-gamma phase-amplitude coupling and synchronized oscillations in the hippocampus.
Unknown authors · 2018
Researchers exposed aging rats (30-32 months old) to low-frequency pulsed electromagnetic fields for six weeks and found improved cognitive performance and physical activity. The EMF-treated rats showed better spatial learning, enhanced attention abilities, and increased exploratory movement compared to untreated controls. This suggests certain EMF exposures might act as 'passive exercise' for aging brains.
Unknown authors · 2018
Researchers tested static magnetic fields (0.5 Tesla strength) on epileptic seizures in rats and monkeys. The magnetic fields delayed seizure onset in rats and reduced seizure severity and duration in monkeys. This suggests static magnets might help control abnormal brain electrical activity that causes epilepsy.
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.
Hong I et al. · 2018
Researchers exposed rat brain cells to low-intensity magnetic fields at 1 Hz and 10 Hz for 10 minutes and found that both frequencies depleted specific metabolic compounds in the TCA cycle without affecting overall energy levels. The 1 Hz frequency produced stronger effects than 10 Hz, suggesting that even brief magnetic field exposures can alter cellular metabolism in ways that may increase neurotransmitter release. This demonstrates that magnetic fields at intensities comparable to some consumer devices can produce measurable biochemical changes in neural tissue.
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.
Dong L, Zheng Y, Li ZY, Li G, Lin L · 2018
This study examined how low-frequency electromagnetic fields (LF-EMFs) at various frequencies (15, 50, 100 Hz) and intensities (0.5-2 mT) affect synaptic plasticity in rat hippocampal brain slices using a novel on-line patch-clamp recording setup. The researchers found that LF-EMF exposure decreased field excitatory postsynaptic potential slopes, and notably, 100 Hz pulsed sinusoidal LF-EMFs functioned as a modulator of long-term potentiation rather than an inducer.
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.
Cichoń N, Rzeźnicka P, Bijak M, Miller E, Miller S, Saluk J · 2018
This 2018 study examined whether extremely low frequency electromagnetic field (ELF-EMF) therapy, used as a magnetotherapy treatment, could reduce oxidative stress markers in 57 post-acute stroke patients during rehabilitation. The researchers found that patients receiving ELF-EMF therapy showed significantly reduced plasma oxidative stress markers (TBARS, thiol groups, and carbonyl groups) and improved clinical outcomes in physical activity and mental state measures compared to patients receiving kinesiotherapy alone.
Unknown authors · 2018
Researchers exposed mesenchymal cells (stem cells that can become bone) to pulsed electromagnetic fields at 30 Hz and 1 milliTesla for 2 hours daily over 3 days. The EMF exposure triggered calcium-dependent bone cell formation through specific cellular signaling pathways. This provides molecular evidence for why PEMF therapy may help with fracture healing and osteoporosis treatment.
Sun C, Wei X, Yimaer A, Xu Z, Chen G · 2018
Researchers exposed mouse cells (including cells genetically engineered to be extra-sensitive to DNA damage) to 50 Hz magnetic fields at 2.0 mT for up to 24 hours. They found no DNA damage, cell death, or changes in cell division in either normal cells or the hypersensitive cells. This suggests power-frequency magnetic fields don't cause direct genetic damage under these laboratory conditions.
Unknown authors · 2018
Researchers exposed human cells to 60 Hz electromagnetic fields (the same frequency as power lines) and found that uniform fields promoted cell growth by 24% in cancer cells and 15% in normal cells. The effect was reversible and appeared to work by reducing cellular stress markers called reactive oxygen species.
Shokrollahi S, Ghanati F, Sajedi RH, Sharifi M · 2018
Researchers exposed soybean plants to static magnetic fields of 20 and 30 mT (milliTesla) for 5 hours daily over 5 days, finding that different field strengths produced opposite effects on iron-related proteins and enzymes. The study also tested purified proteins from animal sources, discovering that magnetic fields altered protein structure and function without changing their basic molecular backbone.
Unknown authors · 2018
Researchers found that pretreating bone marrow stem cells with low-frequency pulsed electromagnetic fields (PEMF) made them more effective at healing crushed nerves in rats. The PEMF-treated stem cells proliferated faster, produced more growth factors, and led to better nerve regeneration and faster recovery when injected at injury sites.
Unknown authors · 2018
Researchers exposed cancer cells to 50 Hz electromagnetic fields combined with morphine and chemotherapy drug cisplatin, finding that EMF exposure altered DNA repair gene activity and changed how effectively the cancer drugs worked. The study suggests EMF may interfere with cellular DNA repair mechanisms and modify cancer treatment effectiveness.
Unknown authors · 2018
Researchers tested whether extremely low-frequency electromagnetic fields (5 Hz, 0.4 mT) used in medical therapy could damage human stem cells. After exposing cells to this EMF for 20 minutes, three times per week for two weeks, they found no cell death, reduced growth, or chromosome damage. This suggests therapeutic EMF at these specific parameters may be safe for cellular health.