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

Cell Phone Radiation Research

RF Radiation

Research on electromagnetic radiation from mobile phones, including 2G, 3G, 4G LTE, and 5G NR signals.

1,326
Studies
73%
Showed Bioeffects
1
EMF Type
700 MHz - 2.7 GHz
Frequency

Related Studies (1,326)

Microwave radiation induced oxidative stress, cognitive impairment and inflammation in brain of Fischer rats.

Megha K et al. · 2012

Researchers exposed rats to cell phone frequency radiation (900 MHz) for 2 hours daily over 30 days and found significant cognitive impairment, brain inflammation, and oxidative stress damage. The rats showed worse memory and learning abilities, along with increased inflammatory markers in their brain tissue. This suggests that chronic exposure to microwave radiation at levels similar to cell phones may harm brain function through cellular damage.

Melatonin modulates wireless (2.45 GHz)-induced oxidative injury through TRPM2 and voltage gated Ca(2+) channels in brain and dorsal root ganglion in rat.

Nazıroğlu M et al. · 2012

Researchers exposed rats to 2.45 GHz radiation (the same frequency used in WiFi and microwave ovens) for one hour daily over 30 days and found it caused brain damage including increased calcium levels in neurons, oxidative stress, and abnormal brain wave patterns. However, when rats were given melatonin supplements, these harmful effects were significantly reduced, suggesting melatonin may protect against WiFi radiation damage to the brain and nervous system.

Exposure to 2.45 GHz electromagnetic fields elicits an HSP-related stress response in rat hippocampus.

Yang XS, He GL, Hao YT, Xiao Y, Chen CH, Zhang GB, Yu ZP. · 2012

Researchers exposed rats to WiFi-frequency radiation (2.45 GHz) for 20 minutes and found it triggered stress responses in brain cells. The radiation caused neurons in the hippocampus to produce heat shock proteins, indicating cellular damage in the brain region responsible for memory and learning.

Microwave radiation induced oxidative stress, cognitive impairment and inflammation in brain of Fischer rats

Megha K et al. · 2012

Researchers exposed rats to cell phone-level microwave radiation (900 MHz) for 2 hours daily over 30 days and found significant brain damage including memory problems, cellular stress, and inflammation. The exposure level was extremely low - about 1,000 times weaker than current safety limits - yet still caused measurable harm to brain tissue. This challenges the assumption that only high-intensity radiation poses health risks.

Calcium-binding proteins and GFAP immunoreactivity alterations in murine hippocampus after 1 month of exposure to 835MHz radiofrequency at SAR values of 1.6 and 4.0W/kg.

Maskey D, Kim HJ, Kim HG, Kim MJ · 2012

Researchers exposed mice to cell phone frequency radiation (835 MHz) for one month at power levels similar to heavy phone use. They found significant damage to brain cells in the hippocampus, including loss of protective calcium-binding proteins and signs of brain injury that worsened at higher exposure levels. This suggests that prolonged radiofrequency exposure may harm critical brain regions involved in memory and learning.

Electromagnetic fields at 2.45 GHz trigger changes in heat shock proteins 90 and 70 without altering apoptotic activity in rat thyroid gland.

Misa Agustiño MJ et al. · 2012

Researchers exposed rats to WiFi-frequency radiation (2.45 GHz) for 30 minutes and found it triggered cellular stress responses in thyroid tissue. Heat shock proteins dropped significantly within 90 minutes, though recovered by 24 hours, demonstrating that brief microwave exposure can disrupt normal thyroid cell function.

Electromagnetic treatment to old Alzheimer's mice reverses β-amyloid deposition, modifies cerebral blood flow, and provides selected cognitive benefit

Arendash GW et al. · 2012

Researchers exposed very old mice with Alzheimer's-like brain damage to cell phone frequency radiation (978 MHz) for two months. The EMF treatment actually reversed the buildup of toxic brain plaques and improved memory function without causing brain heating. This suggests that certain electromagnetic frequencies might help break down the protein clumps that characterize Alzheimer's disease.

Modulation of heat shock protein response in SH-SY5Y by mobile phone microwaves.

Calabrò E et al. · 2012

Italian researchers exposed human brain-like cells to 1800 MHz microwave radiation (the same frequency used by GSM cell phones) for 2 and 4 hours. They found that this exposure altered the production of heat shock proteins - cellular stress indicators that help protect cells from damage. Specifically, one protective protein (Hsp20) decreased at both exposure times, while another stress protein (Hsp70) increased after 4 hours, suggesting the cells were responding to electromagnetic stress.

Symptoms & SensitivityNo Effects Found

EHS subjects do not perceive RF EMF emitted from smart phones better than non-EHS subjects.

Kwon MK, Kim SK, Koo JM, Choi JY, Kim DW. · 2012

Researchers tested whether people who report electromagnetic hypersensitivity (EHS) could actually detect cell phone radiation better than those without the condition. In a double-blind study, 37 participants were exposed to real and fake cell phone signals at levels similar to normal phone use, but neither group could reliably tell when the radiation was present. The findings suggest that EHS symptoms may not be directly caused by the ability to physically sense electromagnetic fields.

900-MHz microwave radiation promotes oxidation in rat brain

Kesari KK, Kumar S, Behari J. · 2011

Researchers exposed young rats to 900 MHz mobile phone radiation (the same frequency used by many cell phones) for 2 hours daily over 45 days. They found significant brain changes including increased oxidative stress (cellular damage from unstable molecules), decreased antioxidant protection, and elevated markers associated with cell death. The study suggests that prolonged mobile phone radiation exposure may harm brain tissue through oxidative damage.

Reproductive Health111 citations

The effect of pulsed 900-MHz GSM mobile phone radiation on the acrosome reaction, head morphometry and zona binding of human spermatozoa.

Falzone N, Huyser C, Becker P, Leszczynski D, Franken DR. · 2011

Researchers exposed healthy human sperm to cell phone radiation (900 MHz) for one hour at levels similar to what phones emit during calls. They found the radiation significantly reduced sperm head size by about 50% and decreased the sperm's ability to bind to eggs by nearly 30%. These changes could impair male fertility by making it harder for sperm to successfully fertilize an egg.

Sleep after mobile phone exposure in subjects with mobile phone-related symptoms.

Lowden A et al. · 2011

Researchers exposed 48 people to cell phone radiation (884 MHz) for 3 hours before bedtime, then monitored their brain waves during sleep. The radiation exposure reduced deep sleep (slow-wave sleep) by 12% and increased lighter Stage 2 sleep, while also altering brain wave patterns throughout the night. This suggests that cell phone radiation can disrupt the quality of sleep even after exposure ends.

Testicular apoptosis and histopathological changes induced by a 2.45 GHz electromagnetic field.

Saygin M, Caliskan S, Karahan N, Koyu A, Gumral N, Uguz A · 2011

Researchers exposed male rats to WiFi-frequency radiation (2.45 GHz) for one hour daily over 28 days and found significant damage to sperm-producing cells in the testicles. The radiation reduced the number of hormone-producing Leydig cells, impaired sperm production quality, and triggered programmed cell death (apoptosis) in testicular tissue. This suggests that common wireless frequencies could potentially affect male fertility through cellular damage in reproductive organs.

The therapeutic effect of a pulsed electromagnetic field on the reproductive patterns of male Wistar rats exposed to a 2.45-GHz microwave field.

Kumar S, Kesari KK, Behari J. · 2011

Researchers exposed male rats to 2.45 GHz microwave radiation (the same frequency used in WiFi and microwave ovens) for 2 hours daily over 60 days and found significant damage to reproductive function, including reduced testosterone and increased cellular stress markers. However, when they also exposed the rats to low-frequency pulsed electromagnetic fields, this treatment appeared to counteract much of the microwave damage. The study suggests that while microwave radiation can harm male fertility, certain types of electromagnetic therapy might offer protection.

Reproductive HealthNo Effects Found

Effects on rat testis of 1.95-GHz W-CDMA for IMT-2000 cellular phones.

Imai N, Kawabe M, Hikage T, Nojima T, Takahashi S, Shirai T. · 2011

Japanese researchers exposed male rats to cell phone radiation (1.95 GHz W-CDMA signal) for 5 hours daily over 5 weeks during their reproductive development. They found no harmful effects on sperm production, quality, or testicular health at either exposure level tested (0.4 and 0.08 W/kg SAR). In fact, sperm count actually increased slightly in the higher exposure group, though this may not be biologically meaningful.

Induction of adaptive response in human blood lymphocytes exposed to 900 MHz radiofrequency fields: influence of cell cycle.

Sannino A et al. · 2011

Researchers exposed human immune cells (lymphocytes) to cell phone radiation at 1.25 W/kg for 20 hours, then tested how well the cells could protect themselves against a cancer-causing chemical. They found that cells exposed during their DNA-copying phase developed better defenses, while cells exposed during resting phases did not. This suggests that cell phone radiation may trigger protective responses in immune cells, but only when cells are actively dividing.

DNA & Genetic DamageNo Effects Found

Analysis of gene expression in a human-derived glial cell line exposed to 2.45 GHz continuous radiofrequency electromagnetic fields

Sakurai T et al. · 2011

Researchers exposed human brain cells (glial cells) to 2.45 GHz radiofrequency radiation at power levels up to 10 times higher than current safety limits for up to 24 hours. They used advanced genetic analysis to look for changes in how genes were expressed, but found no significant alterations. This suggests that even at high exposure levels, this type of RF radiation may not directly damage the genetic machinery of brain cells.

FAQs: Cell Phones EMF Research

Of 1,326 peer-reviewed studies examining cell phones electromagnetic radiation, 73% found measurable biological effects. These studies span decades of research conducted by scientists worldwide and include both laboratory experiments and epidemiological studies examining the health effects of cell phones radiation exposure.
The BioInitiative Report database includes 1,326 peer-reviewed studies specifically examining cell phones electromagnetic radiation and its potential health effects. These studies have been conducted by researchers worldwide and published in scientific journals. The research examines various biological endpoints including cellular effects, neurological impacts, reproductive health, and other health outcomes.
73% of the 1,326 studies examining cell phones electromagnetic radiation found measurable biological effects. This means that 968 studies documented observable changes when organisms were exposed to cell phones EMF. The remaining studies either found no significant effects or had inconclusive results.