Mobile phones could pose a higher health risk to rural dwellers because they emit more intense signals in the countryside, Swedish scientists said on Tuesday (May 17). Base stations tend to be further apart in more remote areas so the phones compensate with stronger signals "We found that the risk of brain tumour was higher for people living in rural areas than in towns," said Professor Lennart Hardell, of University Hospital in Orebro, Sweden. "The stronger the signal, the higher the risk," he told Reuters.
Use of mobiles has increased rapidly worldwide but there has been no hard evidence that the technology causes health problems ranging from headaches to brain tumours.
Some researchers have suggested that radio frequency fields could interfere with biological systems.
Health officials have urged the public to limit mobile phone use or to use hands-free devices.
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