Unknown authors · 2014
Researchers exposed male rats to 2.45 GHz radiation (WiFi frequency) for one hour daily over 30 days and found it caused oxidative damage in testicular tissue. The study showed that melatonin supplementation prevented this damage by maintaining antioxidant levels. This suggests WiFi-frequency radiation may harm male reproductive health through oxidative stress mechanisms.
Ghazizadeh V, Nazıroğlu M · 2014
Ghazizadeh V, Nazıroğlu M. · 2014
Researchers exposed brain tissue from epileptic rats to Wi-Fi radiation for one hour. The exposure triggered harmful calcium buildup and cell death in brain regions controlling memory and pain. This suggests Wi-Fi may worsen neurological conditions by disrupting normal brain cell function.
Shahin S, Mishra V, Singh SP, Chaturvedi CM. · 2014
Researchers exposed twelve-week-old male Swiss strain mice to 2.45-GHz microwave radiation for 2 hours per day for 30 days at a power density of 0.029812 mW/cm2 and SAR of 0.018 W/Kg. Microwave irradiation induced a significant decrease in sperm count and sperm viability, along with a decrease in seminiferous tubule diameter and degeneration of seminiferous tubules. Reduced testicular 3β HSD activity and plasma testosterone levels were also observed in the exposed mice. The researchers suggested that chronic exposure to nonionizing microwave radiation may lead to infertility via a free radical species-mediated pathway.
Shahin S, Mishra V, Singh SP, Chaturvedi CM · 2014
Researchers exposed male mice to 2.45-GHz microwave radiation (the same frequency used by Wi-Fi and microwaves) for 2 hours daily over 30 days at very low power levels. The exposed mice showed significant decreases in sperm count and viability, reduced testosterone levels, and damaged reproductive tissue. The study suggests these effects occur through oxidative stress, where radiation generates harmful free radicals that damage cells.
Gürler HS, Bilgici B, Akar AK, Tomak L, Bedir A. · 2014
Researchers studied oxidative damage and the protective effect of garlic in rats exposed to low-level electromagnetic fields at 2.45 GHz microwave radiation. Groups II and III were exposed to low-level EMF at 3.68 ± 0.36 V/m at 2.45 GHz for 1 hour/day for 30 consecutive days, with Group III also receiving 500 mg/kg garlic daily. Exposure increased 8-OHdG levels in both plasma and brain tissue and increased AOPP levels only in plasma, while garlic prevented the increase of 8-OHdG in brain tissue and AOPP in plasma.
Hatice Ş. Gürler et al. · 2014
Researchers exposed rats to WiFi-frequency radiation (2.45 GHz) for one hour daily over 30 days and measured damage to DNA and proteins in their brains. The radiation caused significant DNA damage in both brain tissue and blood, while also increasing harmful protein changes in the blood. Interestingly, rats given garlic supplements showed protection against these damaging effects.
Koyama S et al. · 2014
Researchers examined the effect of 2.45-GHz radiofrequency fields at SARs of 2 and 10 W/kg for 4 and 24 hours on neutrophil chemotaxis and phagocytosis in differentiated human HL-60 cells. Neutrophil chemotaxis was not affected by radiofrequency field exposure, and phagocytosis was not affected either compared with sham exposure conditions. Exposure at an SAR under 10 W/kg showed very little or no effects on either chemotaxis or phagocytosis.
Sarapultseva EI, Igolkina JV, Tikhonov VN, Dubrova YE · 2014
Researchers exposed the ciliate Spirostomum ambiguum to 1 GHz and 10 GHz radiofrequency electromagnetic fields at power flux densities ranging from 0.05 to 0.5 W/m2 for periods from 0.05 to 10 hours. Exposure to 0.1 W/m2 of either 1 or 10 GHz radiofrequency fields resulted in a significant decrease in the motility of the ciliates. The motility of unexposed offspring of ciliates that had been irradiated with 0.1 W/m2 of 10 GHz radiofrequency fields remained significantly compromised across at least 10 to 15 generations.
Tök L, Nazıroğlu M, Doğan S, Kahya MC, Tök O. · 2014
Thirty-two rats were randomly assigned to four groups, with one group exposed to Wi-Fi at 2.45 GHz for 60 minutes daily over 30 days and another group receiving melatonin during the same exposure. Lipid peroxidation was slightly higher in the Wi-Fi group than in controls, and glutathione peroxidase activity was significantly lower in the Wi-Fi group. Melatonin supplementation significantly decreased lipid peroxidation and increased both glutathione peroxidase activity and reduced glutathione levels compared with the Wi-Fi group.
Tök L, Nazıroğlu M, Doğan S, Kahya MC, Tök O. · 2014
Turkish researchers exposed rats to Wi-Fi radiation (2.45 GHz) for one hour daily over 30 days and found it caused oxidative stress in the eye lens, similar to cellular damage from aging or toxins. When rats were given melatonin supplements, the antioxidant significantly reduced this Wi-Fi-induced damage. This suggests that common Wi-Fi exposure may harm delicate eye tissues, but natural protective compounds could help defend against such effects.
Rougier C, Prorot A, Chazal P, Leveque P, Leprat P · 2014
Researchers investigated the effects of 2.45 GHz microwave exposure on Escherichia coli cell membranes while maintaining the suspension at an average temperature of 37°C. No effect was detected with conventional heating or 200 W exposure, but membrane integrity was slightly altered at powers from 400 to 2000 W. Thermal characterization indicated the temperature reached was not high enough to explain the membrane changes, suggesting a power-dependent electromagnetic threshold effect. Exposures were discontinuous to keep the average temperature at 37°C, and effects were measured using flow cytometry with propidium iodide staining and intracellular protein release.
Salunke BP, Umathe SN, Chavan JG · 2014
Researchers exposed mice to 2.45 GHz electromagnetic radiation (the same frequency used by Bluetooth devices) for up to 120 days to see if it would cause anxiety, obsessive-compulsive behaviors, or depression. The study found no behavioral changes in the mice at any time point, suggesting this level of EMF exposure did not affect their mental state or behavior patterns.
The animals were exposed to an access point (AP) from WIFI device (D-Link DWL-3200 AP with 802.11 g mode and WPA2 network protection) as previously described in Salah et al. et al. · 2013
Ozorak A et al. · 2013
Kidney and testis samples were collected from decapitated rats during the fourth, fifth, and sixth weeks. In the fourth week, lipid peroxidation in kidney and testis and copper, zinc, GSH, GSH-Px, and TAS in kidney decreased, while iron in kidney and vitamin A and vitamin E in testis increased in exposed groups. In the fifth week, iron, vitamin A, and β-carotene in kidney increased, while GSH and TAS decreased in exposed groups. In the sixth week, iron concentrations in kidney and lipid peroxidation in kidney and testis increased, while copper, TAS, and GSH concentrations decreased in exposed groups.
Shahin S et al. · 2013
Twelve-week-old female mice were exposed to 2.45 GHz microwave radiation for 2 hours per day for 45 days to study effects on implantation and pregnancy. Implantation sites were significantly affected in the microwave-irradiated mice compared to controls. The researchers concluded that low-level microwave irradiation-induced oxidative stress suppresses implantation and may also lead to deformity of the embryo if pregnancy continues.
Shahin S et al. · 2013
Researchers exposed female mice to 2.45 GHz microwave radiation (the same frequency used by WiFi and microwave ovens) for 2 hours daily over 45 days, using power levels far below current safety standards. The exposed mice showed significantly reduced pregnancy success, increased DNA damage in brain cells, and widespread oxidative stress throughout their bodies. This suggests that even low-level microwave radiation may interfere with reproductive health through cellular damage mechanisms.
Poulletier de Gannes F et al. · 2013
Researchers exposed male and female Wistar rats to a 2450 MHz Wi-Fi signal for 1 hour per day, 6 days per week. Exposure lasted 3 weeks for males and 2 weeks for females before mating, then continued for 3 more weeks during gestation. No deleterious effects on reproductive organs or fertility were observed, and no macroscopic abnormalities were found in fetuses even at 4 W/kg.
Aït-Aïssa S et al. · 2013
This study examined whether WiFi signal exposure (2450 MHz) during pregnancy and early life affected stress markers in rat brains by measuring 3-Nitrotyrosine and heat-shock proteins (Hsp25 and Hsp70) using immunohistochemistry. The researchers found no significant differences in these biomarkers between rats exposed to WiFi at various power levels (0-4 W/kg) and sham-exposed controls, suggesting repeated WiFi exposure during gestation and early postnatal development did not cause detectable adverse effects in young rat brains.
Aït-Aïssa S et al. · 2013
This study investigated whether prenatal and early-life exposure to WiFi signals (2450 MHz) affected stress markers in developing rat brains by measuring 3-Nitrotyrosine and heat-shock proteins (Hsp25 and Hsp70) in hippocampal and cortical tissues. The researchers found no significant differences in these biomarkers between WiFi-exposed and sham-exposed young rats across multiple dose levels, concluding that repeated WiFi exposure during gestation and early life did not produce detectable deleterious effects on developing rat brains.
Aït-Aïssa S et al. · 2013
This study examined whether prenatal and early-life exposure to WiFi signals (2450 MHz) affected stress biomarkers in developing rat brains. Researchers measured 3-nitrotyrosine and heat-shock proteins (Hsp25 and Hsp70) in brain tissue of young rats exposed to various WiFi signal intensities, finding no significant differences between exposed and sham-exposed groups.
Poulletier de Gannes F et al. · 2013
French researchers exposed pregnant rats and their developing offspring to Wi-Fi signals at 2.45 GHz for several weeks, including during mating and pregnancy. They found no harmful effects on fertility, pregnancy outcomes, or fetal development, even at exposure levels of 4 watts per kilogram. This suggests Wi-Fi exposure may not significantly impact reproductive health in this animal model.
Estenberg J, Augustsson T. · 2013
Researchers developed a car-based measuring system to estimate outdoor radiofrequency field exposure across rural, urban, and city areas of Sweden. The median power density was 16 µW/m(2) in rural areas, 270 µW/m(2) in urban areas, and 2400 µW/m(2) in city areas. In urban and city areas, base stations for mobile phones were clearly the dominating sources of exposure.
Salah MB, Abdelmelek H, Abderraba M · 2013
Researchers exposed rats to WiFi signals (2.45 GHz) for one hour daily over 21 days and found it created diabetes-like symptoms and damaged the body's natural antioxidant defenses in the liver and kidneys. The WiFi exposure reduced protective enzymes by 33-68% and increased cellular damage markers by up to 51%. When researchers gave the rats olive leaf extract, it prevented the glucose problems and restored most of the antioxidant protection.
Aynali G, Nazıroğlu M, Celik O, Doğan M, Yarıktaş M, Yasan H · 2013
Thirty-two male rats were divided into four groups, including a melatonin-treated group receiving 10 mg/kg/day. Rats in the exposure groups received 2.45 GHz radiation for 60 minutes daily for 28 days. Radiation exposure raised lipid peroxidation levels compared with controls. Melatonin treatment lowered lipid peroxidation and increased glutathione peroxidase activity. Reduced glutathione levels did not differ among groups.
