Mobile phones do not raise risk of tumours: Oxford University study – PerthNow

Using a mobile phone regularly does not increase the risk of developing brain tumours, according to results from a major study.
There have long been concerns surrounding the safety of wireless technology.
This is because mobile phones emit radiofrequency waves which, when held close to the head, can penetrate several centimetres into the brain.
But any lingering fears may be allayed following the results of a large-scale study carried out by Oxford University.
Researchers collected data on phone use and subsequent tumour incident in 776,000 women in the UK.
The participants completed questionnaires about their mobile phone usage in 2001 and were followed up for around 14 years, with links to their NHS records made available.
The results, published in the Journal of the National Cancer Institute, revealed there was no significant difference in the risk of developing a brain tumour between those who had never used a mobile phone and those who had.
These included tumours in the temporal lobes, which are the most exposed parts of the brain.
There was also no increase in the risk of developing a brain tumour between those who used a mobile phone daily, spoke on their mobile for at least 20 minutes a week or who had used a mobile for over ten years.
And the overall number of right side and left-sided brain tumours was similar in mobile phone users, even though most tend to hold their phone on the right-hand side of the head when making a call.
Researcher Kirstin Pirie from Oxford Population Health’s Cancer Epidemiology Unit said: “These results support the accumulating evidence that mobile phone use under usual conditions does not increase brain tumour risk.”
Although the findings are reassuring, it remains unclear whether the risks associated with mobile phone use are different in those who use the devices considerably more than was typical of women in the study.
Only 18 per cent of mobile phone users reported talking on their phones for 30 minutes or more each week.
The study also did not include children or teenagers.
Lead investigator Joachim Schuz claimed: “Given the lack of evidence for heavy users, advising mobile phone users to reduce unnecessary exposures remains a good precautionary approach”.
© Daily Mail

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