Cell Phone Users 'At Greater Risk of Brain
Tumor'
by Charles Arthur
Technology Editor, The Independent - London, 9-5-01
People who used
mobile phones for two hours a day in the 1980s and early 1990s
have a "significantly raised" risk of developing a brain tumor,
a Swedish scientist has found.
The study by Lennart
Hardell, a cancer specialist at Orebro University in Sweden, is
a landmark piece of research in the debate over whether the
microwave radiation put out by mobile phone handsets can cause
cancer. It is due to be published later this year. His research
compared 1,600 people who survived brain tumors with 1,600
healthy people. He found that those who had used mobile phones
for more than five years were 26 percent more likely, and those
who used them for more than a decade were 77 percent more
likely, to develop a brain tumor than those who did not. The
tumors were 2.5 times more likely to be on the same side of the
head as the phone was usually held.
The findings will
fuel the debate over the use of mobile phones by children which
grew in intensity when speakers at the British
Association science conference in Glasgow condemned companies
for encouraging young people to use the phones.
Professor Hardell
said it was not possible to extend his results directly to
modern phones, which emit about 10 times less power that the
older analogue ones. But he did advise adopting a
"precautionary" approach.
Dr. Michael Clark,
of the National Radiological Protection Board, which set limits
on radiation exposure, said: "A study like this has to be taken
seriously... but analogue phones were pretty much phased out
around 1997. The new digital ones emit significantly less
power."
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