EMF radiation at 2450MHz triggers changes in the morphology and expression of heat shock proteins and glucocorticoid receptors in rat thymus.
Misa-Agustiño MJ et al. · 2015
Research on EMF sources commonly found in bedrooms - baby monitors, alarm clocks, and nearby wiring.
Your bedroom should be a sanctuary for rest and recovery, but it's often home to multiple EMF-emitting devices that operate throughout the night. Baby monitors, digital alarm clocks, and WiFi routers frequently find their way into or near bedrooms, creating a unique exposure scenario. What makes this environment particularly significant is the duration of exposure-you spend roughly one-third of your life in your bedroom, often within arm's reach of these devices for 7-8 hours at a stretch.
Misa-Agustiño MJ et al. · 2015
Holovská K et al. · 2015
Researchers exposed mature Wistar rats to an electromagnetic field of frequency 2.45 GHz and mean power density of 2.8 mW/cm2 for 3 h/d for 3 wk. Liver samples were obtained 3 h after the last irradiation and processed histologically for light and transmission electron microscopy. The researchers concluded that EMR exposure produced adverse effects on rat liver.
Aydoğan F et al. · 2015
Mucociliary clearance was measured by rhinoscintigraphy and nasal tissue was examined with a transmission electron microscope. The researchers concluded that the radiation damaged the nasal septal mucosa and disturbed mucociliary clearance, with ciliary disorganization and loss causing the deterioration.
Adibzadeh F et al · 2015
Researchers tested how different head shapes and sizes affect radiation absorption from cell phones using computer models of 20 different heads. They found dramatic variations in brain radiation exposure - up to 16 times higher in some people compared to others when using phones at the same power level. This suggests that standard safety testing using only generic head models may not protect everyone equally.
Liu YX et al. · 2015
Researchers exposed human glioblastoma cell lines U251-MG and U87-MG to 1950-MHz TD-SCDMA fields at a maximum SAR of 5.0 W/kg for 12, 24, and 48 hours. They measured cell morphology, apoptosis, cell cycle, growth, gene and protein expression, tumor formation, and invasiveness. No significant differences in biological features or tumor formation ability were found between exposed and unexposed cells. Exposure did not act as a cytotoxic or tumor-promoting agent affecting proliferation or gene expression.
Unknown authors · 2015
Unknown authors · 2015
The paper describes the cryptochrome hypothesis, which suggests that weak 50/60 Hz magnetic fields could disrupt circadian rhythms by affecting cryptochrome clock function. The hypothesis rests on the premise that Earth-strength static magnetic fields alter the redox balance of cryptochromes and possibly their signaling state.
Unknown authors · 2015
Researchers examined whether weak 50/60 Hz magnetic fields could disrupt circadian rhythms by affecting cryptochrome proteins, which help regulate our body's internal clock. The study tested the basic premise that Earth-strength magnetic fields can alter the chemical balance of cryptochromes in the retina. This research explores a potential biological mechanism for how power line frequencies might affect sleep and circadian health.
Hori T et al · 2015
Roggeveen S, van Os J, Lousberg R · 2015
Researchers investigated whether third generation mobile phone radiation peaks produce event-related potentials in the brain. Thirty-one healthy females took part in a single-blind, cross-over design where a 15 minute mobile phone exposure was compared to two 15 minute sham phone conditions. When the phone was placed at the ear, an enlarged cortical reactivity was found in the frontal and central cortical regions, but not when it was placed at the heart.
Yang ML, Ye ZM · 2015
Researchers exposed human osteosarcoma MG-63 cells to a 50 Hz, 1 mT extremely low frequency electromagnetic field (ELF-EMF) for 1, 2 and 3 hours in vitro. ELF-EMF decreased the viability of MG-63 cells, inhibited cell growth, induced cell apoptosis and increased the level of ROS significantly. The apoptosis rate declined significantly after treatment with ROS inhibitor NAC or p38MAPK inhibitor SB203580. The researchers concluded that increased ROS and p38MAPK activation may be involved in the mechanism.
Misa-Agustiño MJ et al. · 2015
Fifty-six rats were individually exposed once or repeatedly for 30 minutes to 2.45 GHz radiation at different non-thermal SARs calculated by finite difference time domain technique. The diathermy model applied maximum exposure to the left front leg to study radiation effects on nearby thyroid tissue. Immunohistochemistry was used to examine HSP-90 expression and morphological changes in thyroid tissue. Ninety minutes after highest SAR exposure, central and peripheral follicles increased in size; twenty-four hours after 12 W exposure, peripheral follicles were smaller; and repeated 3 W exposure increased peripheral follicle size.
Unknown authors · 2015
Researchers conducted an Israeli national survey of occupational radiofrequency field levels between 100 kHz and 40 GHz across 25 occupations. They recorded almost 4300 measurements from 900 sources and categorized exposures as routine, incidental, or unintended. The geometric mean of routine exposures was below 1% of ACGIH threshold limit values for most occupations, but walkie-talkie, induction heating, plastic welding, industrial heating, and diathermy workers had higher percentages. Incidental and unintended exposures exceeded the TLV for one and 14 occupations respectively. Walkie-talkie workers dominated collective exposure, accounting for 96.3% of the total.
Unknown authors · 2015
Israeli researchers measured radiofrequency radiation exposure across 25 different occupations, recording nearly 4,300 measurements from workers in broadcasting, medical, communications, and other RF-using industries. While most routine exposures stayed well below safety limits, walkie-talkie users, induction heating workers, and plastic welders faced the highest exposure levels, with some workers exceeding recommended thresholds during certain tasks.
Unknown authors · 2015
Israeli researchers measured radiofrequency exposure levels across 25 different occupations, taking nearly 4,300 measurements from workers in broadcasting, medical, communications, and other RF-using industries. They found that walkie-talkie users, plastic welders, and industrial heating workers face the highest exposures, with walkie-talkie operators receiving 94% of safety limits during routine work. Most other occupations stayed well below established safety thresholds, though some workers experienced brief spikes above recommended levels.
Unknown authors · 2015
Researchers assessed fetal exposure to the full harmonic content of a uniform 50 Hz magnetic field using high-resolution three-dimensional fetal models based on European electricity quality standards. The fundamental frequency component provided the main contribution to induced electric fields in the fetus. Harmonic components added some contributions but their amplitudes were low due to extremely low permitted levels relative to the fundamental. Induced electric field levels were much lower than general public exposure limits when the incident magnetic field was at the maximum permitted level.
Chung YH et al · 2015
Korean researchers exposed rats to 60 Hz magnetic fields (the same frequency as power lines) for 2-5 days and found significant changes in brain neurotransmitters across multiple brain regions. The exposure altered levels of dopamine, serotonin, norepinephrine, and other brain chemicals that control mood, movement, and cognitive function. These findings suggest that everyday exposure to power line frequencies may directly affect brain chemistry.
Ross CL, Teli T, Harrison BS. · 2015
Researchers stimulated cAMP in CHO cells transfected with human mu-opioid receptors and exposed them to 5 Hz EMF. The 5 Hz EMF produced 23% greater inhibition of cAMP-treating cells than morphine treatment. When tested at 13 Hz, EMF produced results similar to controls.
Wang C et al. · 2015
Unknown authors · 2015
Unknown authors · 2015
Researchers measured radiofrequency radiation exposure levels at two television stations in Ghana to assess worker safety. They found radiation levels generally below occupational safety limits, but some areas had exposures 4.3 times higher than limits set for the general public. This highlights potential health risks for broadcast workers in high-exposure zones.
Unknown authors · 2015
Researchers measured radiofrequency radiation levels at two television stations in Ghana to assess worker exposure. They found RF levels ranging from 0.006 to 58.5 volts per meter, which stayed below occupational safety limits but exceeded public exposure guidelines by over 4 times in some areas. This highlights how broadcast facilities can create significant EMF exposure zones that affect both workers and nearby communities.
Lewicka M et al. · 2015
Kottou S et al. · 2015
Researchers measured electromagnetic fields in indoor dwellings across Attica, Lesvos, and Zakynthos, taking 4540 measurements from 50 Hz to 2100 MHz. Significant differences in electric field values were also found between geographic locations. RF electric field maximums were mostly below 0.5 V/m but occasionally reached up to 5.6 V/m, while ELF magnetic fields stayed below 1 μT. The study states that it may be concluded that overall the observed indoor EMF intensity values remained well below domestic and European established limits.
Unknown authors · 2015