Study Links Older Cellphone Frequencies To Cancer In Male Rats
Study Links Older Cellphone Frequencies To Cancer In Male Rats
Cellphone Radiation Causes Cancer in Rats, Government Study Finds
05 November, 2018, 19:41
Research has found that high exposure to 2G and 3G cell phone radiation is linked to cancer....
Yesterday, the National Institutes of Health's Toxicology Program (NTP) warned that cell phone radiation does cause cancer as it published the final results of its long-term study conducted on mice and rats.
NTP senior scientist John Bucher said, "The exposures used in the studies can not be compared directly to the exposure that humans experience when using a cellphone". Changes from draft report in February include higher level of confidence for conclusion about tumours in male rat hearts, to "clear evidence" from "some evidence", Bucher said. For female rats and male- and female mice, the evidence was uncertain as to whether cancers observed were associated with exposure to RFR.
What does this mean for us?
The lowest exposure level was the same as the maximum exposure allowed for cell phone users, a power level that "rarely occurs with typical cell phone use", according to the NTP statement.
The study involved radio frequencies long out of routine use. The highest exposure level used in the studies was four times greater than the maximum power level allowed.
In should also be noted that the types of RFR used for Wi-Fi or 5G networks were not included in this investigation. During the tests, animals were housed in chambers specially designed for the studies and RFR exposure began for rats when they were five-weeks-old, while mice were exposed from six-weeks-old.
"5G is an emerging technology that hasn't really been defined yet".
The finding was the result of a $30 million 10 year study to assess the health effects in animals exposed to RFR with modulations used in 2G and 3G cell phones.
The Environmental Working Group, an advocacy organization, said in a statement Thursday that "the findings reinforce the need for people, especially children, to exercise caution when using cellphones and other radiation-emitting devices". Studies on human cell phone use often rely on questionnaires. The higher frequencies used by current cellphones can not penetrate the tissues of humans and rats as easily as the previously used frequencies.
Researchers were able to control the amount of radio frequency the animals received - something that isn't possible with humans.
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However, those thinking this is about to blow the lid on the mobile phone industry will need to think again, as the researchers stressed that "exposures used in the studies can not be compared directly to the exposure that humans experience when using a cell phone".
"Based on our ongoing evaluation of this issue, the totality of the available scientific evidence continues to not support adverse health effects in humans caused by exposures at or under the current radiofrequency energy exposure limits", Shuren said in a statement. We believe the existing safety limits for cell phones remain acceptable for protecting the public health'.
Still, the researchers said their findings question the long-held assumption that the radio-frequency radiation used by cellphones poses no health concern.
According to Dr. Jeffrey Shuren, the U.S. FDA's director for Devices and Radiological Health, such animal studies are important in the discussion, but it was not created to test the safety of cellphones in humans and could therefore not be used to draw conclusions for humans.
In the NTP studies, the report notes, exposure was way more than what happens through average duration of cellphone usage.
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