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Cellphones Do Not Cause Brain Cancer, Says 29-Year Study (gizmodo.com)
A study from Australia reassures us that cellphones are reasonably safe, and do not cause brain cancer. Chris Mills writes from Gizmodo: "The study examines the incidence of brain cancer in the Australian population between 1982 to 2013. The study pitted the prevalence of mobile phones among the population -- starting at 0 percent -- against brain cancer rates, using data from national cancer registration data. The results showed a very slight increase in brain cancer rates among males, but a stable level among females. There were significant increases in over -70s, but began in 1982, before cellphones were even a thing." What makes the study in Australia so authentic compared to other studies conducted in other countries is the fact that all diagnosed cases of cancer have to be registered by law.
The other recent study that disagrees with this one says it's more to do with the pulsing nature of the signal and how it physically disrupts the repair of already damaged DNA rather the damaging it. It can't damage the DNA directly, but while it's being spliced and repaired, it can induce physical interruption. I don't know how much credibility to give it, but it makes more than no sense and less than a lot of sense. CDMA and GSM are both a very heavily pulsed signal (sharing time with other phones) and localized heating of water in the body by a tiny amount, but in bursts could potentially do something physical, but still not ionizing.