Infografika o nevarnostih elektromagnetnih sevanjih

Raziskave

Z (19 od skupno 1242 raziskav)
"Data from 3 major cancer registries demonstrate increased incidences of GBMs in the frontal lobe, temporal lobe, and cerebellum, despite decreased incidences in other brain regions. Although this may represent an effect of diagnostic bias, the incidence of both large and small tumors increased in these regions. The cause of these observed trends is unknown."
"Cell phone emissions have a negative impact on exposed sperm motility index, sperm acrosin activity, sperm DNA fragmentation and seminal CLU gene expression, especially in OAT cases."
"Contrasting effects of EMF on the retinal histomorphology were noticed, depending on the duration of exposure. The embryos exposed for 10 post-incubation days exhibited decreased retinal growth and mild pigmentation of the epithelium. Growth retardation reallocated to growth enhancement on increasing EMF exposure for 15 post-incubation days, with a shift of pigmentation grade from mild to intense. We conclude that EMF emitted by a mobile phone cause derangement of chicken embryo retinal differentiation."
"We found a significant association between either the call time (P=0.002) or history of mobile phone use (months used) and speech problems in the offspring (P=0.003)."
"Although this study has some limitations, it leads us to this conclusion that higher-than-ever levels of maternal exposure to electromagnetic fields could be linked to offspring speech problems."
Cataract after exposure to non-ionizing radiant energy
Zaret MM et al, Br J Ophthalmol, januar 1976
"The widespread availability of radiant energy sources such as diathermy machines, microwave ovens, and electric ovens and ranges makes it imperative to examine carefully any possible hazards that may result from their use. With this in mind, radiant energy should be considered in the differential diagnosis of cataractogenesis."
"An increase in norepinephrine levels occurred in the pineal gland of rats exposed to the higher field strength. The major changes in the brain involved the opioid system in frontal cortex, parietal cortex, and hippocampus. From the present findings it may be hypothesized that EMF may cause alteration of some brain functions."
"The low-intensity 2450-MHz microwave radiation can not induce DNA and chromosome damage, but can increase DNA damage effect induced by MMC in comet assay."
[Effects of 2,450 MHz microwave on DNA damage induced by three chemical mutagens in vitro]
Zhang MB et al, Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, avgust 2003
"2 450 MHz MW (5 mW/cm(2)) did not induce DNA damage directly, but could enhance the DNA damage effects induced by MMC."
Effect of 1.8 GHz radiofrequency electromagnetic fields on gene expression of rat neurons
Zhang SZ et al, Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, avgust 2008
"The changes of many genes transcription were involved in the effect of 1.8 GHz RF EMF on rat neurons; Down-regulation of Egr-1 and up-regulation of Mbp, Plp indicated the negative effects of RF EMF on neurons; The effect of RF intermittent exposure on gene expression was more obvious than that of continuous exposure; The effect of 24 h RF exposure (both intermittent and continuous) on gene expression was more obvious than that of 6 h (both intermittent and continuous)."
Microwaves and Alzheimer's disease
Zhang X et al, Exp Ther Med, oktober 2016
"Since there are widespread concerns regarding the deleterious effects of the exposure to microwaves on human tissues and the subsequent potential threat of carcinogenesis, we can conclude that the current exposure to microwaves during the use of cell phones is not safe for long-term exposure, despite the current scientific opinion."
"These results suggest that abnormal activity of p25/CDK5 is partially involved in primary cultured cortical neuron injury induced by RF-EMF exposure."
"The authors found that ELF-EMFs may be increase the risk of human breast cancer. The women's exposure to ELF-EMFs may be the risk factor of breast cancer when they are non-menopausal."
Effects of extremely low frequency electromagnetic radiation on cardiovascular system of workers
Zhao LY et al, Zhonghua Lao Dong Wei Sheng Zhi Ye Bing Za Zhi, marec 2012
"Exposure to extremely low frequency electromagnetic radiation may have some effects on the cardiovascular system of workers."
The effects of radiofrequency (< 30 MHz) radiation in humans
Zhao Z et al, Rev Environ Health, julij 1994
"No significant changes in the functioning of the autonomic nervous system and blood parameters (Hb, WBC and blood platelets) occurred in the exposed subjects of either group. Some changes in ECG (ST-T interval and abnormal heart rate) were observed in the group exposed to high intensity (> or = 100 V/m) radiation. 100 V/m is suggested as an exposure limit for RF (< 30 MHz) radiation."
"Having a cold during pregnancy, decoration, keeping pets, near mobile communication base station within 100 m around the residence and high SAS are the independent risk factors of spontaneous abortion in Beijing."
"Exposure to ELF-EMFs increased the expression of MMP-2 mRNA and protein in HFSF cells. Puerarin reversed the action to some extent in a specific concentration range. Our results implied that the puerarin might protect scleral tissue from increased expression induced by exposure to ELF-EMFs."
"There was a decrease in tissue inhibitor of MMP-2 mRNA levels between treated and control cells only at the 1.0 mT intensity level. Transforming growth factor beta-2 mRNA increased in exposed cells, and, simultaneously, fibroblast growth factor-2 mRNA levels decreased. The protein expressions of COL1A1 and MMP-2 were also significantly altered subsequent to exposure (p less than 0.05). This study shows that ELF-EMFs had biological effects on HFSFs and could cause abnormality in scleral collagen."
"The results showed for both radiation frequencies an induction of micronuclei as compared to the control cultures at a power density of 30mW/cm(2) and after an exposure of 30 and 60min. Our study would indicate that microwaves are able to cause cytogenetic damage in human lymphocytes mainly for both high power density and long exposure time."

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