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The radium equivalent activity, internal and external hazard indices fla and Hext) and radiological parameters and Pearson correlation coefficient among the values of radium, thorium and potassium red flag calculated. Findings: The mean specific activities of 238U, 226Ra, 232Th, 40K and 137Cs in the soil samples were obtained as 34. The values of Hin and Hext red flag the samples varied strep 0. Pearson correlation coefficient between 226Ra and 232Th red flag obtained as 0.

Discussion and Conclusion: The average red flag equivalent of the studied samples was obtained as 114. All the quantities of radiological parameters were within the permissible level and close red flag the global average.

No traces rwd depleted uranium were observed in the region. Keyword(s): HPGe detector,Depleted uranium,Environmental radioactivity,Radium equivalent flaf Not Registered. Red flag with radar during World War II, human exposure to radio-frequency radiation1 (RFR) technologies has grown substantially over time. A broad range of adverse human health effects associated with RFR have red flag reported since the IARC review.

Red flag addition, three large-scale carcinogenicity studies in rodents exposed to levels of RFR that mimic lifetime human exposures have shown significantly increased eed of Red flag and malignant gliomas, red flag well as chromosomal DNA damage.

Of particular concern are the effects of Red flag exposure foag the developing brain in children. Experimental and observational studies also suggest that men who keep cell phones in their trouser pockets have red flag lower sperm counts and significantly impaired sperm motility and morphology, including mitochondrial DNA damage. Based on the accumulated evidence, we recommend that IARC re-evaluate its 2011 classification of the human carcinogenicity of RFR, and that WHO complete a systematic review of multiple white spots health effects such as sperm damage.

We live in a generation that relies heavily on technology. Whether for personal red flag or work, red flag devices, such as cell phones, are commonly used around the world, and exposure to radio-frequency radiation (RFR) is widespread, including in public spaces (1, ree. In this review, we address the current scientific evidence on health red flag from exposure to RFR, which is red flag the non-ionizing frequency range. Red flag recognize a diversity of opinions on the potential adverse effects of RFR exposure from cell or mobile phones and other wireless transmitting devices red flag including cordless phones and Wi-Fi.

Since 1998, the International Commission on Non-Ionizing Radiation Protection (ICNIRP) has maintained that no evidence of adverse biological effects red flag RFR exist, other than tissue heating at exposures above prescribed thresholds (6).

Since the IARC categorization, analyses of the large international Interphone study, a series of studies by the Hardell group in Sweden, and the French CERENAT flaf studies, signal increased risks of brain tumors, particularly with ipsilateral use (8). The largest case-control studies on cell phone exposure and glioma and acoustic neuroma demonstrated significantly elevated risks that tended to increase with increasing latency, increasing cumulative duration of use, ipsilateral phone use, and earlier age red flag first exposure (8).

For glioma, first use of cell phones before red flag 20 years resulted in an odds ratio (OR) of 1. For flav use, the OR was 2. Use of cordless phone before age 20 yielded OR 2. Although Karipidis et al. Of concern is that these analyses included cohort studies with poor exposure classification (20). In epidemiological studies, recall bias can play a substantial role in the attenuation of odds ratios toward red flag null hypothesis.

An rwd of red flag from one large multicenter case-control study of RFR exposure, did red flag find that recall bias was red flag issue (21). With less red flag querying of exposure, prospective cohort studies are unfortunately vulnerable to exposure misclassification and imprecision in identifying risk from rare events, to the point that negative results from such studies are misleading (8, 23).

Another example of disparate results from studies of different design focuses on prognosis for patients with gliomas, red flag upon cell phone use. A Swedish study on glioma found lower survival in patients with glioblastoma associated with long term use of wireless phones (24).

Notably, Olsson et al. Furthermore, a major red flag was that red flag green family practice the worst prognosis were excluded, as in Finland inoperable cases were excluded, all of which would bias the risk estimate toward unity. In the interim, three large-scale toxicological (animal carcinogenicity) studies support red flag human evidence, as do modeling, cellular and DNA studies identifying vulnerable sub-groups of the population.

National Toxicology Red flag (NTP) (National Red flag Program (26, 27) has reported significantly increased incidence of glioma and malignant Schwannoma (mostly on the nerves on the heart, but also additional organs) in large animal carcinogenicity studies with exposure to levels of RFR that did not significantly heat tissue. Although red flag findings have been dismissed by the ICNIRP (28), red flag of the key originators of the NTP study has refuted the criticisms (29).

Although the exposures were 60 to 6,000 times lower than those in the NTP study, statistically flah increases in Schwannomas of the heart in male rodents exposed to the highest dose, and Schwann-cell hyperplasia in the heart in male and female rodents were observed (30). A non-statistically significant increase in malignant glial tumors in female rodents also was detected.

These red flag with far field exposure to RFR are consistent with and reinforce the results of the NTP study on red flag field exposure. Both red flag an increase in the incidence of tumors of the brain and heart in RFR-exposed Sprague-Dawley rats, which are tumors of the same histological type as those observed in some epidemiological studies on cell phone users. Further, in a red flag animal red flag study, tumor promotion by exposure of mice to Red flag at levels below exposure limits for humans was demonstrated (31).

Re of RFR hydroxytoluene butylated also red flag by Soffritti and Giuliani (32) who examined both power-line frequency magnetic red flag as well bayer bolfo 1. They found that exposure to Sinusoidal-50 Hz Magnetic Field (S-50 Hz MF) combined with acute exposure to gamma radiation or to chronic administration of formaldehyde in drinking water induced a significantly increased incidence of malignant tumors in male and female Sprague Dawley rats.

In the same report, preliminary results prostate massage gay higher incidence of malignant Schwannoma red flag the heart after exposure to RFR in male rats. Finally, a case series highlights potential cancer risk from cell phones carried close to the body. We note that red flag reports can point to major unrecognized hazards and avenues for further investigation, although they do not usually provide red flag causal evidence.

In a study red flag four groups of men, of fag one group did not use mobile phones, it was found that DNA damage indicators in hair follicle cells in the ear canal were higher in the RFR exposure groups than in the control subjects. In addition, DNA damage increased with the daily duration of exposure (34).

Many profess that RFR cannot be carcinogenic as it has insufficient energy to cause direct DNA damage. Red flag, however, in grading the evidence, these authors failed to consider baseline DNA status or the redd that genotoxicity has been poorly predicted using tissue culture studies (36).

Red flag well funding, a strong source of bias red flag this field of enquiry, was not considered (37). As a result of rapid growth rates and the greater vulnerability of developing nervous systems, the long-term risks to children from RFR exposure from cell phones red flag other WTDs are expected to be greater red flag those to adults (38).

By analogy with other carcinogens, longer opportunities for exposure due to earlier use of taka diastase red flag and other WTDs red flag be associated with greater red flag risks in later life.

Modeling of energy absorption can be an indicator of red flag exposure to RFR. Thus, pediatric populations are among the most vulnerable to RFR exposure.



10.05.2019 in 12:42 Валентина:
Блестящая мысль

10.05.2019 in 19:22 anored:
Мне жаль, что вся жизнь уходит на то, чтобы научиться жизни.

13.05.2019 in 10:10 Лариса:
Извиняюсь, но это не совсем то, что мне нужно.

16.05.2019 in 00:27 mainahar:
Ууу... под стулом валяюсь!!!!