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effect of microwave on human body ppt

Qiao et al. Cancer Res. Gold PE. Then that poisonous acid harms the kidneys and nervous system. Privacy 1 GHz and 300 GHz. Bioelectromagnetics. Repeated Wi-Fi studies show that Wi-Fi causes oxidative stress, sperm/testicular damage, neuropsychiatric effects including EEG changes, apoptosis, cellular DNA damage, endocrine changes, and calcium overload. In broadcasting, the sources of microwaves are mainly FM radio and TV broadcasting antennas, which produce frequencies ranging from 80 to 800MHz. Radiofrequency and Microwave Radiation - Overview | Occupational Safety Campisi A, Gulino M, Acquaviva R, Bellia P, Raciti G, Grasso R, et al. Regional cerebral glucose uptake in the 3xTG model of Alzheimer's disease highlights common regional vulnerability across AD mouse models. 2011;174:211. Neurobiol Learn Mem. Google Scholar. Neuroreport. Mortazavi et al. Phot J. The final apoptosis score in the exposed group was significantly reduced, and the total antioxidant capacity and catalysis observed in the experimental group was increased. Most bioassay and genotoxicity or mutation studies that have been performed in vitro have reported that exposure to microwave radiation at non-thermal levels does not have mutagenic/genotoxic/carcinogenic effects. Int J Radiat Biol. Wang L, Li X, Peng R, Gao Y, Zhao L, Wang S, et al. 2009;72:20514. J Neuro-Oncol. [49] found that microwave radiation enhanced brain wave energy, decreased brain wave frequency, and increased the amplitude and power of delta frequency bands, indicating a decrease in learning ability [50,51,52,53]. Dasdag et al. Xu S, Ning W, Xu Z, Zhou S, Chiang H, Luo J. 1999;75:44756. 1984;11:4760. Kumar M, Singh SP, Chaturvedi CM. In 2011, the International Agency for Research on Cancer (IARC) announced that microwave radiation has potentially carcinogenic effects (2B). PubMed Bioelectromagnetics. 2006;98:170713. 2014;8:63. Because a childs nervous system is growing and their head is more vulnerable to radiation energy, studies that have specifically addressed whether the nervous systems of children are more susceptible to electromagnetic radiation have been performed. Durkin TP, Messier C, de Boer P, Westerink B. 2007;210:63544. Bioelectromagnetics. Biological Effects of Microwave Radiation - tandfonline.com Military Med Res 4, 29 (2017). Chandrasekaran K, Hatanp K, Rapoport SI, Brady DR. 2015;91:30611. Johansen C, Boice JD, McLaughlin JK, Olsen JH. Koch C, Zador A. Effects of 902 MHz electromagnetic field emitted by cellular telephones on response times in humans. Dasdag S, Bilgin H, Akdag M, Celik H, Aksen F. Effect of long term mobile phone exposure on oxidative-antioxidative processes and nitric oxide in rats. Defective actin dynamics in dendritic spines: cause or consequence of age-induced cognitive decline? [38] exposed Wistar rats to a 2.856GHz pulsed microwave field for 6min. 1992;6:379. Raised glucose levels enhance scopolamine-induced acetylcholine overflow from the hippocampus: an in vivo microdialysis study in the rat. [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. An increasing level of acetylcholine can increase the concentration of free calcium ions in synapses, but its concentration was decreased by 60% after exposure to microwave irradiation [117]. Dasdag S, Akdag MZ, Erdal ME, Erdal N, Ay OI, Ay ME, et al. This phenomenon may be explained by the varied radiation dosage adopted in these studies. Trends Cell Biol. It addresses the impact on developing head and brain tumours, other morbidity-related outcomes and summarizes the biological effects of RF and microwave radiation. Gold PE. 1994;15:95104. Therefore, their reproducibility and comparability are poor. Wang H, Peng R, Zhao L, Wang S, Gao Y, Wang L, et al. After exposure to microwave radiation, during synaptic structural plasticity, presynaptic vesicles accumulate or empty, mitochondria are damaged, postsynaptic membranes are perforated, postsynaptic lengths and postsynaptic density distributions are abnormal, mossy fiber growth is inhibited during learning and memory functions, dendritic filopodial densities and activities are decreased, and there is a significant reduction of the dendritic spine density and dendritic fragment length [62]. Frei P, Poulsen AH, Johansen C, Olsen JH, Steding-Jessen M, Schz J. Researchers have also used the 12-arm maze test on rats to test spatial working ability after exposure to 2.45GHz pulse microwave radiation. Use of mobile phones and risk of brain tumours: update of Danish cohort study. [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. How a Microwave effects the human body? by jesse aarons - Prezi Smythe JW, Costall B. Sage C, Carpenter D, Hardell L. Comments on SCENIHR: opinion on potential health effects of exposure to electromagnetic fields. Chin J Birth Health Hered. J Neurosci. Behav Brain Res. Exp Neurobiol. PPT Scientific, technical publications in the nuclear field | IAEA 2015;56:2618. Neuroreport. Microarray gene expression profiling of a human glioblastoma cell line exposed in vitro to a 1.9 GHz pulse-modulated radiofrequency field. J Sleep Res. biological effects of electromagnetic waves started to be discussed. The normal function of synaptic vesicles depends on the normal expression of related proteins. Concurrently, the discovery that microwaves have positive biological effects has presented new challenges for research and applications in this field. This conclusion is consistent with the results of a previously reported study that showed that short-term exposure to microwave radiation can reduce reaction times and improve cognitive functions, attention and short-term memory capacity [28,29,30,31,32,33,34]. Interphone study group. CAS [84] and Sharma et al. PubMed Central Lai H, Horita A, Guy AW. Neurologic and biochemical findings and CD4/CD8 ratio in people occupationally exposed to RF and microwave. Wang et al. J Cereb Blood Flow Metab. Kesari KK, Behari J. Fifty-gigahertz microwave exposure effect of radiations on rat brain. 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. CAS CAS Moreover, the risk of developing Alzheimers disease is 3040% lower in people who use a mobile phone for more than 10years than in other individuals [35]. Electromagn Biol Med. Scientific, technical publications in the nuclear field | IAEA Finally, Hardell et al. For example, it can shorten reaction times so that people can better cope with danger. In the lower SAR group, the , 1 and 2 bands were affected in the three subjects. J Clin Oncol. Eur J Nucl Med Mol Imaging. Behav Brain Res. Effect of mobile radiation on health ppt . Sharma A, Sisodia R, Bhatnagar D, Saxena VK. This study concerns the effects of microwave on health because they pervade diverse fields of our lives. It is widely accepted that protein synthesis occurs in neuronal dendrites and may be the cellular basis of learning and memory, during which local protein synthesis and synaptic plasticity are closely linked to the efficiency of communication between neurons. Microwaves Technology : Basics, Effetcs & Its Applications - ElProCus . Kan P, Simonsen SE, Lyon JL, Kestle JR. Cellular phone use and brain tumor: a meta-analysis. Cobb et al. Whole-body exposure to 2.45 GHz electromagnetic fields does not alter 12-arm radial-maze with reduced access to spatial cues in rats. Neurosci Lett. Interaction of Radiation with Matter - GSU The results of EEG and analyses of the structure of the brain after radiation have also confirmed the influence of microwaves. 2004;48:46624. Microwaves are widely used in broadcasting, communications and many industrial fields. Koivisto M, Krause CM, Revonsuo A, Laine M, Hmlinen H. The effects of electromagnetic field emitted by GSM phones on working memory. To determine the precise dose-effect relationship between microwave radiation and its biological effects, further detailed studies must be performed. 2015;36:4804. Nimchinsky EA, Sabatini BL, Svoboda K. Structure and function of dendritic spines. Xu et al. Mortazavi S, Tavakkoli-Golpayegani A, Haghani M, Mortazavi S. Looking at the other side of the coin: the search for possible biopositive cognitive effects of the exposure to 900 MHz GSM mobile phone radiofrequency radiation. In a report by the Poland Department of Microwave Safety, occupational exposure to electromagnetic fields was analyzed in the work environment of personnel of 204 devices divided into 5 groups (surface-to-air missile system radars, aircraft and helicopters, communication devices, surveillance and height finder radars, airport radars and radio navigation systems). Schmid MR, Murbach M, Lustenberger C, Maire M, Kuster N, Achermann P, et al. WJZ wrote the paper and outlined this manuscript, LFW and XJH provided a detailed guidance throughout the article. 2010;2010. 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. An abnormal EEG is closely associated with damaged cognitive ability. Wang L, Hu X, Peng R. Influence of long-term microwave radiation on contents of amino acids and monoamines in urine of Wistar rats. Choeiri C, Staines W, Miki T, Seino S, Messier C. Glucose transporter plasticity during memory processing. Cordless phone in power levels very high and microwave frequency level also high. 2000;11:4135. [14] found that gliomas are not preferentially located in the parts of the brain with the highest exposure. Ellis CE, Murphy EJ, Mitchell DC, Golovko MY, Scaglia F, Barcel-Coblijn GC, et al. fMicrowave Radiation Comes From Many Sources, Including: Cell phones. 1988;9:33745. However, its beneficial effects should not be ignored [26]. The brain has been recognized as one of the organs that is most vulnerable to microwave radiation. Digestive System: The unstable catabolism of microwaved foods alters their elemental food substances, causing disorders in the digestive system. 2012;25:1828. Naser D, Shahram T. Adverse health effects of occupational exposure to radiofrequency radiation in airport surveillance radar operators. Kwon MS, Vorobyev V, Knnl S, Laine M, Rinne JO, Toivonen T, et al. Richter ED, Berman T, Ben-Michael E, Laster R, Westin JB. More than 50% of miRNAs are found in cancer-associated regions of the genome or in fragile sites, suggesting that miRNAs also play important roles in the pathogenesis of neoplasias [96]. Mol Brain Res. 1999;9:3438. Article 1996;180:917. Open Access This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. These results indicated that mobile phone exposure affected the acquisition of learned responses in Wistar rats. Google Scholar. Joubert V, Bourthoumieu S, Leveque P, Yardin C. Apoptosis is induced by radiofrequency fields through the caspase-independent mitochondrial pathway in cortical neurons. This study also revealed the dose-dependent relationship of the modulated microwave effect: decreasing the SAR 100-fold reduced the associated changes in the EEG by three- to six-fold and decreased the number of affected subjects but did not completely eliminate the effects. Narayanan SN, Kumar RS, Potu BK, Nayak S, Mailankot M. Spatial memory perfomance of wistar rats exposed to mobile phone. 1992;114:16202. Preece A, Iwi G, Davies-Smith A, Wesnes K, Butler S, Lim E, et al. Blood biochemical parameters of the radio-link station. [64] exposed cultured rat hippocampal neurons to GSM 1800MHz microwaves (SAR, 2.4W/kg) and observed a selective decrease in the amplitude of -amino-3-hydroxy-5-methyl-4-soxazole propionic acid (AMPA) miniature excitatory postsynaptic currents (mEPSCs). Am J Epidemiol. Google Scholar. This effect is similar to the decrease observed in NR2B in rats. In the treated rats, 50 calls were missed each day for 4weeks, and the spatial memory abilities of the rats were tested after the experimental period. Li Z, Peng RY, Wang SM, Wang LF, Gao YB, Ji D, 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. [1] used 10 freely moving rats in which carbon electrodes were implanted in the cortex and dorsomedial hypothalamus. So foods which have high water content can be very easily cooked like fresh vegetables. However, with its popularization, increasing attention has been paid to its influence on humans. The fields had an average power density of 0, 5, 10 or 50mW/cm2. Appl Biochem Biotechnol. Arch Environ Health. 2007;27:6024. Schz J, Jacobsen R, Olsen JH, Boice JD, McLaughlin JK, Johansen C. Cellular telephone use and cancer risk: update of a nationwide Danish cohort. Ito K, Hirao A, Arai F, Takubo K, Matsuoka S, Miyamoto K, et al. Neurosci Lett. Cobb BL, Jauchem JR, Adair ER. The results indicated that repeated low-level exposure to extremely low frequency microwaves affects brain functioning and provide an additional approach to analyzing the underlying mechanisms. Previous studies have shown that in unexposed control rats, hippocampal neurons are aligned in neat rows in which the edges are clear, nuclei are clear, nucleoli can be observed, and pyramidal cells do not exhibit obvious necrosis. Mikrobiolohichny zhurnal (Kiev, Ukraine: 1993) Serge Voychuk. 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. Provided by the Springer Nature SharedIt content-sharing initiative. Brain proteome response following whole body exposure of mice to mobile phone or wireless DECT base radiation. eliminating microwave and RF sources. Human short-term exposure to electromagnetic fields emitted by mobile phones decreases computer-assisted visual reaction time. Behav Brain Res. The acute effects of exposure to the electromagnetic field emitted by mobile phones on human attention. Google Scholar. Symptoms included headache, paresthesia, diarrhea, malaise and lassitude. By using this website, you agree to our 1990;39:13543. After studying these effects, Hertel concluded that microwaving food leads to food degeneration. Biochem J. : a biochemical study on mouse brain. Cellular telephones and cancera nationwide cohort study in Denmark. Wang LF, Tian DW, Li HJ, Gao YB, Wang CZ, Zhao L, et al. More data are available regarding opinions on potential health effects of exposure to electromagnetic fields [3]. Aydin D, Feychting M, Schz J, Andersen TV, Poulsen AH, Prochazka M, et al. Mortazavi S, Rouintan M, Taeb S, Dehghan N, Ghaffarpanah A, Sadeghi Z, et al. Curr Opin Neurobiol. Dasdag et al. It has also been reported that acute exposure to continuous waves of 900MHz EMF or 900MHz waves that were modulated to an amplitude of 50Hz increased reactive oxygen species (ROS) levels and DNA fragmentation as a result of the hyperstimulation of glutamate receptors [73]. For example, people who have used mobile phones for more than 10years have a clearly higher risk of brain tumors. Manage cookies/Do not sell my data we use in the preference centre. At present, due to a general consensus that the most significant parameter for . 2015;91:42634. Professor, Asst Director at VIT Proliferation and apoptosis in a neuroblastoma cell line exposed to 900 MHz modulated radiofrequency field. California Privacy Statement, Ragozzino ME, Unick KE, Gold PE. 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. 2004;23:20114. In 43% of devices, military personnel are not exposed to an electromagnetic field.

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effect of microwave on human body ppt

　

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