Some implanted medical devices use radio frequency communication - both to report status, and to allow changing device behavior. Emissions from wireless electronic devices can interfere with the functioning of these devices, thereby adversely affecting the health of the user. Users of such implanted devices are usually cautioned to avoid close exposure to other wireless devices.
The study was conducted on 16 adult male Wistar-Albino rats. The rats in the experimental group (n=8) were exposed to 2.4GHz frequency radiation for over a year. The rats in the sham control group (n=8) were subjected to the same experimental conditions except the Wi-Fi generator was turned off. After the exposure period was complete the possible DNA damage on the rat's brain, liver, kidney, skin, and testicular tissues was detected through the single cell gel electrophoresis assay (comet) method. The amount of DNA damage was measured as percentage tail DNA value.
This study elucidates the effect of short (15 days) and long-term (30 and 60 days) low level 2.45 GHz MW radiation induced local stress on the hippocampal spatial memory formation pathway in adult male mice. Researchers observed that 2.45 GHz MW irradiated mice showed slow learning and significantly increased number of working and reference memory errors in RAM task. Further, 2.45 GHz MW radiation exposure increases serum corticosterone level and the expression of CRH, CRH-R1 and i-NOS, while the expression of iGluRs, n-NOS, PSD-95, PKCε, PKA, ERK-p-ERK, CREB and p-CREB decreases in above mentioned hippocampal subregions in a duration dependent manner. “Our findings led us to conclude that 2.45 GHz MW radiation exposure induced local stress suppresses signaling mechanism(s) of hippocampal memory formation.”
Recent research has resurfaced concerns among scientists about a potential link between cell-phone radiation and cancer. But that research—a 10-year, $25 million government study in rodents—left a lot of key questions unanswered. That includes how relevant the findings are to newer wireless technologies such as Bluetooth and WiFi that have become widespread since the study was designed in the early 2000s.  
When you make a call, text, or use data, your phone sends and receives RF signals back and forth between its antenna and nearby cell towers. The radiation from Bluetooth and WiFi devices falls into the same basic range on the electromagnetic spectrum—between FM radios and microwave ovens—as the RF waves from cell phones. But because the distances traveled by WiFi and Bluetooth signals tend to be much shorter (between your router and your laptop, for instance, or your smartphone and your wireless speaker) the RF can be transmitted at a much lower power than from a cell phone, which could reduce the effect it has on living tissue.
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. (2013). WIFI integrated two omnidirectional antennas that were setup for internet broadcast via wireless at 2.45 GHz. The sham control rabbits were placed under the same condition without applying RF (0 Hz). Antennas of WIFI were placed at 25 cm at the right side near the heart (animal in dorsal decubitus).
So if you are trying to access the Safe Mode feature it’s going to depend on what phone you have possibly what version of Android your smartphone is running on. If you are unsure what the Safe Mode key combination is for your specific Android or how to boot your cell phone into Safe Mode then you might have to perform a quick search online to find the exact method used for your particular smartphone.
We really do not recommend any kind of chip, guard, anti-radiation "filters" or incomplete shielding case because honestly, how could they NOT provide a false sense of security? Folks could believe these products make them “invincible” against radiation so they are comfortable holding the case right up to their heads-and the radiation seeping from the back and the side of the phone case is in very close proximity to their precious brains. Oh no!
Niels Kuster, a Swiss engineer, initially filed a conflict-of-interest statement affirming only that his research group had taken money from “various governments, scientific institutions and corporations.” But after Kuster co-authored a summary of the WHO’s findings in The Lancet Oncology, the medical journal issued a correction expanding on Kuster’s conflict-of-interest statement, noting payments from the Mobile Manufacturers Forum, Motorola, Ericsson, Nokia, Samsung, Sony, GSMA, and Deutsche Telekom. Nevertheless, Kuster participated in the entire 10 days of deliberations.39
Asked for specifics, Foster says it helps to understand how Wi-Fi works. While most people assume their wireless router is constantly sending and receiving information, Foster says these devices actually transmit just 0.1% of the time. “Maybe that goes up somewhat if you’re streaming video,” he says, “but most of the time your router is just sitting idly waiting for something to happen.”
George Carlo seemed like a good bet to fulfill Wheeler’s mission. He was an epidemiologist who also had a law degree, and he’d conducted studies for other controversial industries. After a study funded by Dow Corning, Carlo had declared that breast implants posed only minimal health risks. With chemical-industry funding, he had concluded that low levels of dioxin, the chemical behind the Agent Orange scandal, were not dangerous. In 1995, Carlo began directing the industry-financed Wireless Technology Research project (WTR), whose eventual budget of $28.5 million made it the best-funded investigation of cell-phone safety to date.4
The present experiment was designed to study the  2.45 GHz low-level microwave irradiation-induced stress response (continuous wave exposure for 2h/day for 45 days) and its effect on implantation or pregnancy in female mice. Researchers observed that implantation sites were affected significantly in MW-irradiated mice as compared to control and in addition to a significant increase in ROS, hemoglobin, RBC and WBC counts, N/L ratio, DNA damage in brain cells, and plasma estradiol concentration, a significant decrease was observed in NO level and antioxidant enzyme activities of MW-exposed mice. Our findings led us to conclude that a low level of MW irradiation-induced oxidative stress not only suppresses implantation, but it may also lead to deformity of the embryo in case pregnancy continues. We also suggest that MW radiation-induced oxidative stress by increasing ROS production in the body may lead to DNA strand breakage in the brain cells and implantation failure/resorption or abnormal pregnancy in mice.
The present study focused on the possible gender-related effects of Wi-Fi electromagnetic fields on these processes in human males and females. P300 amplitude values at 18 electrodes were found to be significantly lower in the response inhibition condition than in the response initiation and baseline conditions and independent of this effect, within the response inhibition condition there was also a significant gender X radiation interaction effect of males in comparison to female subjects only at the presence of EMF. In conclusion, the present findings suggest that Wi-Fi exposure may exert gender-related alterations on neural activity associated with the amount of attentional resources engaged during a linguistic test adjusted to induce WM.
Cell phones emit radiofrequency (RF) radiation, and RF radiation has been shown to damage DNA and cause cancer in laboratory animals. A peer-reviewed Jan. 2012 study in the Journal of Neuro-Oncology concluded that RF radiation "may damage DNA and change gene expression in brain cells" in mice. [61] An Aug. 2009 meta-study found that RF radiation "can alter the genetic material of exposed cells." [62] A 2004 European Union-funded study also found that cell phone radiation can damage genes. [63] On May 26, 2016, the US National Toxicology Program (NTP) released the first results of its study on cell phone radiation, finding an increased incidence of malignant tumors of the brain (gliomas) and heart tumors (schwannomas) in rats exposed to RF radiation. [85] The NTP researchers also found DNA damage in the rats exposed to the highest levels of RF radiation. [86] On Nov. 1, 2018, the NTP released its final peer-reviewed report, concluding that there is "clear evidence of carcinogenic activity” in male rats exposed to RF radiation. [87]

Unfortunately, the current state of cell phone radiation research is similar to the early days of tobacco research. It wasn't until 1999 when the U.S. Department of Justice finally filed a racketeering lawsuit against the major tobacco companies for engaging in a "50 year scheme" to counteract any scientific evidence that showed that cigarettes are harmful to a person's health. Is the potential cell phone cancer link the same sort of scenario? Are cell phone companies funding and promoting research that "proves" no link from cell phone radio radiation in an effort to discredit those studies that are uncovering problems?
Turkish Telecommunication and Information Technology Agency declared that the daily usage of internet is nearly 6 hours in Turkey [15]. Therefore, according to us, Wi-Fi usage needs to get more attention than cell phone usage due to its higher frequency ranges and longer exposure times [16]. Even though there are some studies performed on the effects of  RF-EMR and cell phones on male fertility, there is not so much scientific data about the association between Wi-Fi internet usage and male fertility [17]. Unlike other RF-EMR sources, devices such as laptops and tablets usually stay near the reproductive organs.
Members of the public often ask about the cumulative exposure that a child receives when using a Wi-Fi device in a classroom in which a number of children are simultaneously using Wi-Fi. When downloading files, most of the transmissions will be from the access point, not the students’ device. When downloading and uploading only a portion of the maximum capacity of a network would be used even in a classroom filled with children using Wi-Fi. The Wi-Fi network divides RF transmissions among the access points and client devices therefore the individual RF exposure to a child in a classroom that is using a device consists of sequential exposures from all active devices, the majority of which are located at some distance away(15). For the majority of schools (20) the measurements in the current study were conducted in an empty classroom (to avoid lesson disruption) with an access point and one laptop. In three schools, measurements were conducted with students or teachers present and using Wi-Fi devices. A comparison between measurements conducted in empty classrooms and classrooms with multiple students/teachers using Wi-Fi showed no significant difference in the RF levels (p > 0.1 for all); although this may have been due to low numbers (only three schools measured with multiple users in the classroom).
26. Learn about the potential effects of radiation on reproductive health. “I would recommend that [Consumer Reports] forewarn its readers not to keep their cell phones near their genitals. We have substantial evidence that cell phone radiation damages sperm in males and some evidence of reproductive health effects (i.e., neurological disorders) in human offspring as well as mice for females exposed to cell phone radiation during pregnancy. We also have preliminary evidence of increased breast cancer risk for women who kept cell phones in their bras.” – Dr. Joel M. Moskowitz, The 4 Cell Phone Safety Tips Offered By Consumer Reports Isn’t Enough, RFSafe; Twitter: @rfsafe
Trouble Sleeping – This one is extremely common, as peoples bedrooms have become a hotbed for EMF radiation. From cell-phones next to the bed, metal spring mattresses acting as antennas, to the WiFi in our homes, EMF radiation while we sleep is extremely common. In fact, I wrote a whole article about how to rid your bedroom of EMFs and finally get a restful nights sleep, check it out here.
There is great variability in survival by brain tumor subtype, and by age at diagnosis. Overall, the 5-year relative survival for brain cancers diagnosed from 2008 through 2014 was 33.2% (49). This is the percentage of people diagnosed with brain cancer who will still be alive 5 years after diagnosis compared with the survival of a person of the same age and sex who does not have cancer.
Do cell phones cause cancer? The preliminary results of a massive, government-funded study suggest they could. This makes cell phone safety an incredibly important topic. The early findings in the $25 million U.S. National Toxicology Program animal study show exposure to very high signal cell phone radiation led to a slightly increased risk of malignant gliomas in the brain and schwannomas of the heart in male rats. Schwannomas are tumors that form in the nerve sheath. (1)

A phone's specific absorption rate (SAR) reveals the maximum amount of radiation the human body absorbs from the phone while it's transmitting. SAR testing ensures that the devices sold in the U.S. comply with the Federal Communications Commission (FCC) SAR exposure limit, but the single, worst-case value obtained from this SAR testing is not necessarily representative of the absorption during actual use, and therefore it is not recommended for comparisons among phones. In short, selecting a lower SAR phone will not reliably ensure lower radiation absorption during use. The FCC has more information at Specific Absorption Rate (SAR) For Cell Phones: What It Means For You.
This article is not correct. Wifi waves are just a low frequency sound wave. Everyone is having a placebo effect, or doing the equivalence of listening to music using ear buds all night by having the router too close to their heads. This article was made to play on your fears and to have you buy products like iPad radiation shields and other junk. This article is harmful to people.
The energy of electromagnetic radiation is determined by its frequency; ionizing radiation is high frequency, and therefore high energy, whereas non-ionizing radiation is low frequency, and therefore low energy. The NCI fact sheet Electromagnetic Fields and Cancer lists sources of radiofrequency radiation. More information about ionizing radiation can be found on the Radiation page.
Consumers need -- now more than ever -- real-world, relevant data on how much radiation their phones emit under various circumstances. The FCC does not require the cell phone industry to disclose these data. One important study showing that certain networks could expose consumers to 30 to 300 times more radiation than other networks was hidden from the public until the information was dated to the point of irrelevancy.
International guidelines on exposure levels to microwave frequency EMFs such as ICNIRP limit the power levels of wireless devices and it is uncommon for wireless devices to exceed the guidelines. These guidelines only take into account thermal effects, as nonthermal effects have not been conclusively demonstrated.[3] The official stance of the British Health Protection Agency is that “[T]here is no consistent evidence to date that WiFi and WLANs adversely affect the health of the general population”, but also that “...it is a sensible precautionary approach...to keep the situation under ongoing review...”.[4]

This study aimed to assess the potential harmful effects of radiofrequency-electromagnetic radiation on sperm parameters. There was no significant difference between sperm counts and sperm morphology excluding sperm motility, due to mobile phone usage period, however total motile sperm count and the progressive motile sperm count decreased due to the increase of internet usage and progressive motile sperm count also decreased with wireless Internet usage compared with the wired Internet connection usage.
Our studies point that WIFI is not completely safe at home near the animal or human body because it employ harmful radio waves. But it is safer compared to cellphone that it is close to our brain during communications. WIFI signals are everywhere. If you switched off your WiFi at night, you are still exposed to the WIFI signals coming in from neighbors but we have a significant reduction of the bioeffects of WIFI with distance from the router. Future investigations will focus on the long term bioeffects of WIFI placed at an important distance from the animal or the human.
“In addition to protecting your phone from scratches and breaks, a basic case can help conceal a distinctive phone’s telltale markings. That’s a detriment if you’re trying to show off your handset’s badass styling, but a benefit for maintaining a lower profile. Note: Even though they look better, a flashy designer case is like sticking a “steal me” marquee on your phone.” – Jessica Dolcourt, Keep Your Phone from Getting Stolen (and What to Do If It Is), CNET; Twitter: @CNET
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