Unknown authors · 2015
Researchers exposed four bacterial species to various electromagnetic field conditions and found that growth rates changed depending on the specific bacteria and field type. Extremely low-frequency EMFs affected all species, while one dynamic magnetic field condition (called the 'Resonator') increased growth in three species but slowed it in another. This demonstrates that EMF effects on living organisms depend on their unique biological characteristics, not just field strength.
Jin H et al · 2015
Korean researchers exposed human lung cells to 60 Hz magnetic fields (the same frequency as power lines) at 1-2 mT strength, both alone and combined with radiation or hydrogen peroxide. They found that magnetic fields alone caused no genetic damage, and didn't make cells more vulnerable to damage from other stressors.
Manzella N et al · 2015
Researchers exposed human skin cells to 50 Hz magnetic fields (the same frequency as power lines) and found these fields could reset the cells' internal biological clocks. The magnetic field exposure altered the timing of key genes that control daily rhythms, suggesting that power line frequency EMF can disrupt our body's natural circadian processes.
Hori T et al · 2015
Japanese researchers exposed mice to 50 Hz electric fields (the same frequency as power lines) while subjecting them to stress through immobilization. They found that moderate electric field exposure at 10 kV/m significantly reduced stress hormone levels, but higher exposures actually increased them. This suggests electric fields can influence the body's stress response in complex, dose-dependent ways.
Unknown authors · 2015
Italian researchers used high-resolution 3D models to assess how power line electromagnetic fields (including harmonic frequencies beyond the basic 50 Hz) affect developing fetuses. They found that while harmonic frequencies add some exposure, the fundamental 50 Hz frequency dominates fetal EMF exposure, and overall levels remained below current safety guidelines.
Unknown authors · 2015
Iranian researchers exposed rainbow trout to 15 Hz electromagnetic fields at various intensities for one hour daily over 60 days. Fish showed improved growth, stronger immune responses, and better resistance to bacterial infection at most exposure levels. The study suggests extremely low frequency EMF may have beneficial effects on fish health.
Unknown authors · 2015
Researchers exposed pregnant mice and their offspring to 50 Hz magnetic fields at 500 milligauss for over 15 months to study cancer and fertility effects. The exposed mice showed reduced body weight, increased leukemia rates in females (7% vs 0% in controls), and smaller reproductive organs in males. This suggests long-term power frequency EMF exposure may increase cancer risk and harm fertility.
Prato FS · 2015
Researchers discovered that extremely low frequency magnetic fields can alter pain perception and opioid drug effects in animals and humans. Over 30 years of studies showed these EMF exposures can both increase and decrease pain sensitivity, and even produce pain relief in people. The research used brain imaging to track how magnetic fields affect pain processing in the nervous system.
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.
Li C et al · 2015
Researchers created detailed anatomical models of infants aged 12 and 17 months to study how electromagnetic fields affect young children differently than adults. The study found significant physical differences between infant and adult bodies that affect radiation absorption. Current safety guidelines for infant EMF exposure may not provide adequate protection.
Unknown authors · 2015
Turkish researchers exposed rats to 2100 MHz radiofrequency radiation (3G mobile phone frequency) for 6 hours daily over 10 or 40 days and examined their parotid salivary glands. The study found significant tissue damage in exposed animals, including changes to gland cells, blood vessels, and cellular structure, with more severe damage after longer exposure periods.
Halgamuge MN et al · 2015
Researchers exposed soybean seedlings to 900 MHz cell phone radiation at different power levels and found reduced plant growth in multiple experiments. Higher intensity radiation (like from phones during calls) reduced stem growth, while even extremely low levels (like from cell towers) affected both stems and roots after longer exposure periods.
Cao H et al · 2015
Researchers exposed rats to 1.8 GHz radiofrequency radiation (similar to cell phone frequencies) for 2 hours daily over 32 days, timing exposures at different hours. The study found that RF exposure disrupted natural daily rhythms of key antioxidants in the blood, with the most severe effects occurring when exposure happened at night (11 PM) or early morning (3 AM).
Court-Kowalski S et al · 2015
Researchers exposed mice to cell phone radiation at 900 MHz (4 W/kg) for 5 days per week over 2 years, then examined their brains for signs of glial cell activation. The study found no detectable changes in astrocytes (brain support cells) compared to unexposed control mice, suggesting no inflammatory brain response occurred.
Unknown authors · 2015
This 2015 review by international cancer researchers analyzed multiple studies on mobile phone radiation and brain tumors. The authors concluded that radiofrequency radiation from cell phones should be classified as a 'probable human carcinogen' by international health agencies. They found consistent evidence linking long-term mobile phone use (10+ years) to increased risk of glioma and meningioma brain tumors.
Unknown authors · 2015
Japanese researchers exposed developing rats' brain cortex to 1457 MHz radiofrequency radiation (similar to cell phone frequencies) for 50 minutes at 2.0 W/kg to test blood-brain barrier effects. Using advanced fluorescence microscopy, they found no changes in barrier permeability in either juvenile or young adult rats. The study suggests this specific RF exposure doesn't immediately compromise the protective barrier around the developing brain.
Unknown authors · 2015
Researchers exposed Alzheimer's disease mice to 1950 MHz radiofrequency radiation (similar to cell phone frequencies) for 8 months and found it reduced brain plaques and improved memory. The EMF exposure appeared to slow disease progression by decreasing harmful protein buildup and brain inflammation. This unexpected finding suggests certain RF exposures might have protective effects in advanced Alzheimer's cases.
Unknown authors · 2015
This 2015 research review examined how radiofrequency electromagnetic fields from cell towers and wireless devices may interfere with animals' natural magnetic navigation systems. The study found that RF radiation at environmental levels commonly found in urban areas can disrupt the magnetic sensors that birds and insects use for orientation and migration. This suggests wireless infrastructure may be creating invisible barriers that confuse wildlife navigation.
Eltiti S et al · 2015
Researchers tested whether cell tower radiation affects people who claim electromagnetic sensitivity, comparing them to healthy controls in both open and blinded conditions. While sensitive individuals reported symptoms when they knew they were exposed, they showed no reaction during blinded testing when they couldn't tell real from fake exposure. This suggests psychological rather than physiological responses to cell tower EMF.
Tomitsch J, Dechant E et al · 2015
Austrian researchers measured electromagnetic field levels in 219 bedrooms from 2006 to 2012, tracking how household EMF exposure changed over time. They found that while power line frequencies decreased slightly, radiofrequency radiation from wireless devices nearly doubled. The study reveals how our bedroom EMF environment has shifted as we've adopted more wireless technology.
D'Angelo C et al · 2015
Italian researchers exposed four different types of human cells to 50 Hz electromagnetic fields (the same frequency as power lines) at 1 mT strength for varying durations. They found that this exposure changed the production of MCP-1, a protein involved in immune system signaling, but the effects varied significantly between different cell types. The study suggests that power line frequency EMF can alter cellular immune responses, though more research is needed to understand the implications.
Unknown authors · 2015
Dutch researchers measured 24-hour power line frequency magnetic field exposure in 99 adults and assessed their non-specific physical symptoms like fatigue and headaches. Women with higher exposure levels (above 0.09 microTesla) were 8.5 times more likely to report multiple physical symptoms. The study suggests a connection between everyday electromagnetic field exposure and health complaints, though the small sample size limits definitive conclusions.
Unknown authors · 2015
Dutch researchers tracked over 1,200 residents before and after a new high-voltage power line was built near their homes. People living within 300 meters reported significantly more health symptoms and stronger beliefs that the power line caused their complaints, compared to those living farther away. The increase in symptoms began even before the power line was switched on.
Unknown authors · 2015
Researchers exposed rainbow trout to extremely low frequency electromagnetic fields (15 Hz) at various intensities for one hour daily over 60 days. The fish showed improved growth, stronger immune responses, and better disease resistance compared to unexposed controls. This suggests that certain EMF exposures may have beneficial biological effects in aquatic organisms.
Unknown authors · 2015
Researchers measured electromagnetic fields at two commercial solar farms in California, testing frequencies from 0 Hz to 3 GHz around solar panels, inverters, and transformers. All measured EMF levels fell well below established safety limits set by IEEE and ICNIRP. The highest magnetic fields occurred near transformers and inverters, with radiofrequency emissions between 5-100 kHz coming from the inverters.