3,138 Studies Reviewed. 77.4% Found Biological Effects. The Evidence is Clear.

Whole Home EMF Research

ELF MagneticELF ElectricRF

Research on EMF throughout the home - electrical wiring, smart home hubs, and WiFi coverage.

5
Sources
2,549
Studies
3
EMF Types

Related Studies (1,669)

DNA & Genetic DamageNo Effects Found

No genotoxic effect in exfoliated bladder cells of rat under the exposure of 1800 and 2100-MHz radio frequency radiation.

Gurbuz N, Sirav B, Colbay M, Yetkin I, Seyhan N. · 2013

Turkish researchers exposed rats to cell phone frequencies (1800 and 2100 MHz) for 30 minutes daily over one to two months, then examined their bladder cells for micronuclei-tiny fragments that indicate DNA damage. The study found no significant increase in these genetic damage markers compared to unexposed control rats, suggesting the RF radiation did not cause detectable DNA damage in bladder tissue at the tested exposure levels.

Specific absorption rate variation in a brain phantom due to exposure by a 3G mobile phone: problems in dosimetry.

Behari J, Nirala JP. · 2013

Researchers tested how 3G mobile phone radiation (1718.5 MHz) affects brain tissue using a laboratory phantom (artificial brain material) designed to mimic a small rat brain. They found that the amount of radiation absorbed (called SAR) varied significantly depending on the phone's angle and position, with some measurements showing higher absorption than expected. The study reveals important flaws in how we currently measure radiation exposure from mobile devices.

Influence of Magnetic Field on Brain Activity During Administration of Caffeine.

El Gohary MI, Salama AA, El Saeid AA, El Sayed TM, Kotb HS. · 2013

Researchers exposed rats to extremely low frequency magnetic fields (the type emitted by power lines and appliances) for 15 days and found these fields significantly altered brain wave patterns, particularly enhancing activity in the right hemisphere. When caffeine was given alongside the magnetic field exposure, it appeared to partially counteract some of the brain changes, especially in areas controlling movement.

[Interference of vitamin E on the brain tissue damage by electromagnetic radiation of cell phone in pregnant and fetal rats].

Gao X, Luo R, Ma B, Wang H, Liu T, Zhang J, Lian Z, Cui X. · 2013

Researchers exposed pregnant rats to 900MHz cell phone radiation for three hours daily throughout pregnancy and found significant brain damage in both mothers and offspring, including swollen brain cells and reduced antioxidant defenses. However, when rats were given vitamin E supplements during pregnancy, the protective antioxidant largely prevented this brain damage. This suggests that EMF exposure during pregnancy can harm developing brains, but certain nutrients may offer protection.

SAR / Device AbsorptionNo Effects Found0

SAR and temperature distribution in the rat head model exposed to electromagnetic field radiation by 900 MHz dipole antenna.

Yang L, Hao D, Wu S, Zhong R, Zeng Y. · 2013

Researchers used computer modeling to calculate how much radiofrequency energy would be absorbed by rat brains during a 900 MHz cell phone frequency exposure experiment. They found that the exposure levels used in their memory study would not cause any significant temperature rise in the brain tissue. This dosimetry study provided the technical foundation for understanding whether any biological effects found in their related memory research could be attributed to heating or non-thermal mechanisms.

Whole body exposure to 2.4 GHz WIFI signals: Effects on cognitive impairment in adult triple transgenic mouse models of Alzheimer's disease (3xTg-AD)

Banaceur S, Banasr S, Sakly M, Abdelmelek H · 2013

Researchers exposed mice genetically programmed to develop Alzheimer's-like symptoms to WiFi signals (2.4 GHz) for 2 hours daily over one month. Surprisingly, they found the WiFi exposure actually improved cognitive performance in the Alzheimer's mice compared to unexposed controls. This unexpected result suggests radiofrequency radiation might have some protective effects on brain function in certain disease states.

Pyramidal Cell Loss in the Cornu Ammonis of 32-day-old Female Rats Following Exposure to a 900 Megahertz Electromagnetic Field During Prenatal Days 13–21.

Baş O et al. · 2013

Researchers exposed pregnant rats to cell phone frequency radiation (900 MHz) for one hour daily during a critical brain development period and examined their female offspring at 32 days old. They found significant loss of pyramidal neurons in the hippocampus, a brain region crucial for learning and memory. This suggests that prenatal EMF exposure during critical development windows may cause lasting brain damage that persists into later life.

Effect of low level microwave radiation exposure on cognitive function and oxidative stress in rats

Deshmukh PS et al. · 2013

Researchers exposed rats to extremely low-level cell phone radiation (900 MHz) for 2 hours daily over 30 days and found significant damage to memory and learning abilities. The study also detected increased oxidative stress in the blood, indicating cellular damage from free radicals. This matters because the radiation level used was far below current safety limits, yet still produced measurable biological effects.

Detection of Low Level Microwave Radiation Induced Deoxyribonucleic Acid Damage Vis-à-vis Genotoxicity in Brain of Fischer Rats

Deshmukh PS et al. · 2013

Researchers exposed rats to extremely low-level microwave radiation at cell phone frequencies (900, 1800, and 2450 MHz) for two hours daily over 30 days and found DNA damage in brain tissue. The exposure levels were about 1,000 times lower than current safety limits, yet still caused measurable genetic damage. This suggests that even very weak microwave radiation can harm brain cells at the DNA level.

Maternal mobile phone exposure adversely affects the electrophysiological properties of Purkinje neurons in rat offspring

Haghani M, Shabani M, Moazzami K · 2013

Pregnant rats exposed to cell phone radiation (900 MHz) for six hours daily produced offspring with altered brain function. While the young rats behaved normally, their Purkinje neurons (cells controlling movement and learning) showed reduced electrical activity, suggesting prenatal exposure affects developing brain circuits.

Fifty-Hertz electromagnetic fields facilitate the induction of rat bone mesenchymal stromal cells to differentiate into functional neurons

Bai WF, Xu WC, Feng Y, Huang H, Li XP, Deng CY, Zhang MS. · 2013

Chinese researchers exposed stem cells from rat bone marrow to 50 Hz magnetic fields (the same frequency as power lines) for one hour daily over 12 days. The electromagnetic field exposure helped these stem cells transform into functional brain neurons that could form connections and transmit electrical signals. This suggests that power-frequency magnetic fields might have therapeutic potential for treating nervous system diseases through stem cell therapy.

Changes in synaptic efficacy in rat brain slices following extremely low-frequency magnetic field exposure at embryonic and early postnatal age

Balassa T et al. · 2013

Researchers exposed pregnant and newborn rats to 50 Hz magnetic fields (household electricity frequency) during brain development. The exposure altered how brain cells communicate, increasing electrical activity but impairing the brain's ability to form new memories and connections during critical developmental periods.

50 Hz Electromagnetic Field Produced Changes in FTIR Spectroscopy Associated with Mitochondrial Transmembrane Potential Reduction in Neuronal-Like SH-SY5Y Cells.

Calabrò E et al. · 2013

Researchers exposed brain cells to 50 Hz magnetic fields (household electricity frequency) at different strengths. Higher exposures damaged cell membrane proteins and reduced energy production in mitochondria, leading to decreased cell survival and suggesting power-frequency fields harm basic cellular functions.

Effects of aluminum and extremely low frequency electromagnetic radiation on oxidative stress and memory in brain of mice.

Deng Y, Zhang Y, Jia S, Liu J, Liu Y, Xu W, Liu L. · 2013

Researchers exposed mice to power line frequency magnetic fields for 8 weeks and found significant brain damage including memory loss, brain cell death, and cellular stress markers. While exposure levels exceeded typical household amounts, the study demonstrates these electromagnetic fields can directly harm brain tissue.

The preventive effect of lotus seedpod procyanidins on cognitive impairment and oxidative damage induced by extremely low frequency electromagnetic field exposure

Duan Y, Wang Z, Zhang H, He Y, Lu R, Zhang R, Sun G, Sun X. · 2013

Researchers exposed mice to 50 Hz magnetic fields (8 mT) for 28 days and found significant damage to learning and memory abilities, plus harmful oxidative stress in brain tissue. When mice were also given lotus seedpod extract, these negative effects were largely prevented. This suggests that extremely low frequency electromagnetic fields can damage brain function through oxidative stress mechanisms.

Effect of extremely low frequency magnetic field in prevention of spinal cord injury-induced osteoporosis.

Manjhi J, Kumar S, Behari J, Mathur R. · 2013

Researchers studied whether extremely low frequency magnetic fields could prevent bone loss in rats with spinal cord injuries. They exposed injured rats to 50 Hz magnetic fields (17.96 microTesla) for 2 hours daily over 8 weeks and found the treatment significantly prevented osteoporosis, maintaining bone density and mineral content compared to untreated injured rats. This suggests that specific magnetic field therapy might help preserve bone health after spinal cord injury.

Changes of dendritic spine density and morphology in the superficial layers of the medial entorhinal cortex induced by extremely low-frequency magnetic field exposure.

Xiong J, He C, Li C, Tan G, Li J, Yu Z, Hu Z, Chen F. · 2013

Researchers exposed rats to power line-frequency magnetic fields for 14-28 days and found significant damage to brain cell connections in the entorhinal cortex, a memory center. The exposure destroyed dendritic spines that enable brain cells to communicate, potentially explaining EMF-related cognitive problems.

Electromagnetic fields induce neural differentiation of human bone marrow derived mesenchymal stem cells via ROS mediated EGFR activation.

Park JE, Seo YK, Yoon HH, Kim CW, Park JK, Jeon S · 2013

Researchers exposed human bone marrow stem cells to 50 Hz magnetic fields (the same frequency as power lines) at 1 milliTesla for several days. They found that this EMF exposure triggered the stem cells to transform into nerve cells by activating specific cellular pathways and generating reactive oxygen species (ROS). This suggests that power-frequency magnetic fields can directly influence how our stem cells develop and differentiate.

Immunohistopathologic demonstration of deleterious effects on growing rat testes of radiofrequency waves emitted from conventional Wi-Fi devices

Atasoy HI, Gunal MY, Atasoy P, Elgun S, Bugdayci G · 2013

Researchers exposed young male rats to Wi-Fi radiation (2.4 GHz) 24 hours a day for 20 weeks and found significant DNA damage in their reproductive organs. The Wi-Fi exposure caused increased markers of genetic damage and reduced the activity of protective enzymes that normally defend against cellular harm. These findings suggest that chronic Wi-Fi exposure during development may threaten reproductive health and fertility.

The effect of prenatal exposure to 900-MHz electromagnetic field on the 21-old-day rat testicle.

Hancı H et al. · 2013

Researchers exposed pregnant rats to cell phone-level radiation (900 MHz) for one hour daily during late pregnancy, then examined the testicles of their male offspring at 21 days old. The exposed offspring showed significant damage to their developing reproductive organs, including structural abnormalities, increased cell death, and DNA damage that persisted weeks after birth. This suggests that EMF exposure during pregnancy may harm the reproductive development of male offspring.

Exposure to 1800 MHz radiofrequency electromagnetic radiation induces oxidative DNA base damage in a mouse spermatocyte-derived cell line.

Liu C, Duan W, Xu S, Chen C, He M, Zhang L, Yu Z, Zhou Z. · 2013

Researchers exposed mouse sperm cells to cell phone radiation (1800 MHz) for 24 hours and found that at higher exposure levels (4 W/kg SAR), the radiation caused oxidative DNA damage - essentially cellular rust that can harm genetic material. The damage occurred through reactive oxygen species (free radicals) rather than direct energy breaks, and could be prevented with antioxidants like vitamin E.

Changes in synaptic efficacy in rat brain slices following extremely low-frequency magnetic field exposure at embryonic and early postnatal age.

Balassa T et al. · 2013

Researchers exposed developing rats to 50 Hz magnetic fields (the same frequency as power lines) during critical brain development periods and found lasting changes in brain function. The exposed animals showed altered electrical activity in brain regions responsible for learning and memory, with some changes persisting weeks after exposure ended. This suggests that magnetic field exposure during early development may affect how the brain processes information later in life.

FAQs: EMF in Whole Home

The whole home environment contains several common sources of electromagnetic field exposure including electrical wiring, wifi routers, smart meters, power lines, appliances. Together, these 5 sources account for 2,549 peer-reviewed studies in the BioInitiative Report database examining their potential health effects.
There are 2,549 peer-reviewed studies in our database examining EMF sources commonly found in whole home environments. These studies cover 5 different EMF sources: Electrical Wiring (411 studies), WiFi Routers (302 studies), Smart Meters (1,014 studies), Power Lines (411 studies), Appliances (411 studies). The research includes both laboratory experiments and epidemiological studies from scientists worldwide.
Smart Meters has the most research with 1,014 studies, followed by Electrical Wiring (411) and Power Lines (411). This research examines various biological endpoints including cellular effects, neurological impacts, and other health outcomes from EMF exposure in whole home settings.