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A statistical analysis of data in Australia hints at cellphones being reasonably safe when it comes to the risk of brain cancer.
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.
It is to be mentioned that the data matches up with other studies conducted in other countries, but Australia is a particularly excellent example-all diagnosed cases of cancer have to be registered by law, creating consistent data to work with.
By the nature of the multiple variables, large samples and very long lead-time for cancer to show up, the cellphone-brain cancer conversation is always going to be contentious.