effect of microwave on human body ppt

Lymphatic Systems: Due to chemical alterations within food substances, malfunctions occur in the lymphatic system, causing a degeneration of the body's ability to . It has been suggested that there is an increased risk of glioma at the highest exposure levels, but biases and errors prevent causal interpretations of these data. J Neuro. One reason for this difference may be that the water maze experiment is driven by aversion, whereas the arm maze experiment is driven by appetite. However, the problem with these studies is that different parameters, such as the frequency, modulation, and power density of the radiation and the irradiation time, were used to evaluate microwave radiation between studies. Wang et al. Of the numerous studies performed to explore the effects of mobile communication devices on humans, only a few have shown that cell phones and brain tumors are statistically correlated. Technol Cancer Res Treat. 2005;1042:1018. 1992;49:1818. Moreover, the popularization of mobile phones has made them the main source of brain exposure to radiation. In a study investigating the influence of low-frequency microwave (450MHz) radiation on EEG, Hinrikus et al. Many studies have been made on the biological effects of microwave radiation. J Radiat Proc. 2002;64:31353. 2010;28:445. Acetylcholine: cognitive and brain functions. Caubet R, Pedarros-Caubet F, Chu M, Freye E, de Belem RM, Moreau J, et al. their effects on the human body are vastly different: - Non-ionizing Radiation Frequency range: 0.1 - 1013 Hz . Szmigielski S. Cancer morbidity in subjects occupationally exposed to high frequency (radiofrequency and microwave) electromagnetic radiation. Functional plasticity is affected in other ways, including the abnormal release and uptake of brain amino acids such as choline and monoamine neurotransmitters, a decrease in excitatory postsynaptic potential amplitudes and spikes in long-term potentiating (LTP) in the medial perforated pathway (MPP) in the dentate gyrus (DG) [27]. A large number of studies have shown that microwave radiation can cause a series of adverse reactions in the central nervous system, including sleep disorders in addition to learning and memory impairments. Research continues on possible biological effects of exposure to RF/MW radiation from radios, cellular phones, the processing and cooking of foods, heat . Verma et al. Electromagn Biol Med. An increase in anxiety-related behaviors and a decrease in depression-related behavior were observed in both female and male offspring. Reactive oxygen species act through p38 MAPK to limit the lifespan of hematopoietic stem cells. The role of microRNAs in cancer. Motawi et al. Ito K, Hirao A, Arai F, Takubo K, Matsuoka S, Miyamoto K, et al. 2011;31:2293301. 2004;155:3743. as it have a harmful side. Othman et al. Ning W, Chiang H, Yang W. Effects of GSM 1800 MHz on dendritic development of cultured hippocampal neurons. 2015;91:42634. Cookies policy. When nerve endings are excited, the vesicles release their contents into the synaptic cleft, resulting in synaptic transmission. frequency range from 1GHz to 10^6 GHz. GSM mobile phone radiation suppresses brain glucose metabolism. Xu S, Ning W, Xu Z, Zhou S, Chiang H, Luo J. Mobile phone use and risk of tumors: a meta-analysis. Bioelectromagnetics. The biological effects of microwave and RF are difficult to quantify, but one method, which in-volves the determination of the relation-ship between the body mass-averaged PubMed Neurobiol Learn Mem. Therefore, the authors concluded that exposure to a radiofrequency of 900MHz might trigger the neoplastic process because it produces a relative increase in the number of potentially long-lived cells. Shahin S, Banerjee S, Singh SP, Chaturvedi CM. However, with its popularization, increasing attention has been paid to its influence on humans. Wang et al. Trends Cell Biol. . PubMed Statistically significant changes were detected in the EEG- bands of six individuals and in the 1 and 2 bands of four subjects in the higher SAR group. Oto R, Akda Z, Dada S, Celik Y. In the group treated with 0.8W/kg, there was no significant change. [15] assessed the use of mobile and cordless phones in 347 cases of melanoma in the head and neck region and 1184 controls and found no increased risk. 2004;115:1490505. PubMed B. Cordless phones effect Cordless phone same worked like a mobile phone. Surg Neurol. 2012;3:3440. Cellular telephones and cancera nationwide cohort study in Denmark. millimeter, or equivalently. Durkin TP, Messier C, de Boer P, Westerink B. The article's subject is the investigation of electromagnetic fields (EMF) of the microwave frequency band in a typical human living environment, especially in shielded areas. A popular focus among researchers is the damage that microwave radiation causes in the central nervous system, in which it can impair learning and memory. 2015;91:55561. Suppl Clin Neurophysiol. To investigate the effects of 2.4GHz Wi-Fi radiation on multisensory integration in rats, a cross-modal visual-tactile object recognition (CMOR) task was performed by four variations of the spontaneous object recognition (SOR) test including the standard SOR, tactile SOR, visual SOR, and CMOR tests. Baer C, Claus R, Plass C. Genome-wide epigenetic regulation of miRNAs in cancer. Bioelectromagnetics. 2006;79:13140. Calabr E, Condello S, Curr M, Ferlazzo N, Caccamo D, Magaz S, et al. Gage FH, Kelly P, Bjorklund A. Cordless phone in power levels very high and microwave frequency level also high. The above results indicate a positive biological effect of microwave radiation and present a challenge with regard to how people can benefit from microwave radiation. Electromagn Biol Med. Front Neurosci. Yale J Biol Med. Neurol Sci. Mikrobiolohichny zhurnal (Kiev, Ukraine: 1993) Serge Voychuk. Handheld cellular telephone use and risk of brain cancer. Furukawa H, Singh SK, Mancusso R, Gouaux E. Subunit arrangement and function in NMDA receptors. Ning et al. 2008;22:9927. PubMed 2009;63:10106. 2013;42:428. Aydin D, Feychting M, Schz J, Andersen TV, Poulsen AH, Prochazka M, et al. Suhhova A, Bachmann M, Karai D, Lass J, Hinrikus H. Effect of microwave radiation on human EEG at two different levels of exposure. Cancer Res. Kesari KK, Behari J. Fifty-gigahertz microwave exposure effect of radiations on rat brain. Some studies have proposed that miRNAs play important roles in nerve regeneration, neurodegenerative diseases, and the pathogenesis of neuroblastoma and schizophrenia [93,94,95]. 2003;14:2436. 1975;148:1723. Long term and excessive use of 900 MHz radiofrequency radiation alter microRNA expression in brain. Bioelectromagnetics. Neurosci Lett. Merola P, Marino C, Lovisolo G, Pinto R, Laconi C, Negroni A. Terms and Conditions, N-methyl-D-aspartic acid receptor (NMDAR) is a tetramer composed of two NR1 and two NR2 subunits or two NR3 subunits that perform the functions of NMDAR [69, 70], and NMDAR plays key roles in synapse development, synaptic plasticity and neurological diseases. Sleep EEG alterations: effects of pulsed magnetic fields versus pulse-modulated radio frequency electromagnetic fields. The interaction of microwaves with matter other than metallic conductors will be to rotate molecules and produce heat as result of that molecular motion. Ozben T. Oxidative stress and apoptosis: impact on cancer therapy. The progeny brain oxidative balance and serum biochemistry, such as phosphorus, magnesium, glucose, triglycerides and calcium levels, were disrupted [60]. Wang LF, Tian DW, Li HJ, Gao YB, Wang CZ, Zhao L, et al. However, these effects were not observed in radial arm maze tests. Article pability of the body (thus, a thermal effect), whereas the standard of the U.S.S.R. and Poland are based upon the interaction of the microwave fields with the brain and central nervous system as measured by neurological or behavior effects. [97] found that long-term exposure to 900MHz radiation decreased the level of rno-miR107and that the whole body (rms) SAR value was 0.0369W/kg, bridging the gap in the interaction between radio frequency radiation (FR) and miRNAs. Microwaves are a form of electromagnetic. 2008;169:3845. 2013;23:306. Predictors and overestimation of recalled mobile phone use among children and adolescents. J Neurosci Methods. 2015;148:150. Xiong et al. Behav Brain Res. Appl Biochem Biotechnol. J Radiat Res (Tokyo). The authors declare that they have no competing interests. Int J Radiat Biol. Additionally, in the 2.4W/kg group, neuronal filopodial density and activity were lower on day 8, and there was a reduction of the dendritic spine maturity on day 14. Exposure of rat brain to 915 MHz GSM microwaves induces changes in gene expression but not double stranded DNA breaks or effects on chromatin conformation. After irradiation was applied for 2h/d for 60 d, the authors observed the following: microwave radiation produced by mobile phones damaged the brains of adult and young rats, the damage caused by mobile phones in the calling state was significantly more severe than that observed in the standby group, and the neurons of young rats were more seriously injured than those of adult rats. The increase in M1 receptor gene expression along with the impairment of novel preferences in Wi-Fi-exposed animals may suggest a possible role of the cholinergic system in the detrimental effects of Wi-Fi radiation on multisensory integration [100]. Brain cancer with induction periods of less than 10 years in young military radar workers. Li-Feng Wang or Xiang-Jun Hu. In 35% of cases, soldiers work in intermediate and hazardous zones and in 22%only in the intermediate zone. The study also showed that exposure to GSM microwaves at 915MHz did not induce detectable DNA double-strand breaks but affected the expression of genes in rat brain cells. Int J Radiat Biol. Article The results demonstrated the ability of electric magnetic field (EMF) to influence plasma melatonin and serotonin concentrations in radar workers. The results indicated that radar microwave radiation leads to a decreased reaction time and lower short-term memory performance [18]. Therefore, the central nervous system is considered one of the most sensitive organs that is targeted by microwave radiation [1, 2]. The brain has been recognized as one of the organs that is most vulnerable to microwave radiation. Starting with a single nucleotide polymorphism (SNP) site, Wang et al. Biomed Environ Sci. 2010;2010. Mitochondria morphologic changes and metabolic effects of rat hippocampus after microwave irradiation. Rev Environ Health. Regarding the ultra-structure of the hippocampus, symptoms including neuronal atrophy, mitochondrial swelling, crest reduction and a disordered arrangement were observed, the rough endoplasmic reticulum exhibited cystic expansion, the number of synaptic vesicles decreased, and the synaptic cleft was widened (2.45GHz pulsed microwave field at an average power density of 1mW/cm2 for 3h/d for up to 30days [45] and an average power density of 2.5, 5, or 10mW/cm2 for 6min/d for up to 1month resulted in an average calculated SAR of 1.05, 2.1, and 4.2W/kg, respectively [46]).

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