Increase in brain cancer risk from mobile or cordless phone

Date: Sat, 11 Feb 2006 10:09:16 -0500
From: "Lawrence A. Plumlee" <[hidden email]>
Subject: Increase in brain cancer risk from mobile or cordless phone


06/02/2006 - Study shows increase in brain cancer risk from using a mobile
or cordless phone for over 5 years
from the International Journal of Oncology

----------
http://www.powerwatch.org.uk/news/20060206_brain_tumours.asp


Overview:

A new study has just been published in the Journal of Oncology (February
2006), showing the most convincing evidence yet that long term usage of
mobile and cordless phones may well increase the chance of getting brain
cancer. Usage of analogue mobile phones for longer than 1 year was found to
increase the risk of acoustic neuroma threefold (OR = 2.9 - 95% CI
2.0-4.3). Both GSM digital phones and cordless telephones were found to
increase the risk by approximately 50% (OR = 1.5 - 95% CI 1.1-2.1 and OR =
1.5 - 95% CI 1.04-2.0 respectively).

It is currently unlikely for a study to find much of an association between
a cause and brain cancer with less than 10 years exposure as it usually
takes at least this long for brain cancer to develop to the point it is
diagnosed. This is one of the first studies thought to be capable of making
a genuine assessment of mobile phone usage for longer than 10 years.

Initial analysis of the results in the study suggest that there is, on the
whole, a noticeable increase in risk after 5 years of use. For acoustic
neuromas there seems to be little further increase after 10 years, however
for all benign tumours grouped together, the increase with time is
significant. The following increased relative risk results are for GSM
phone users who have used their phone for at least 64 hours in total (i.e.
64 minutes per month over 5 years or 32 minutes per month over 10 years)
and cordless phone users over 195 hours (i.e. 98 minutes per month or 3
minutes each day, averaged over 10 years).
Years of usage
Phone Type 1 - 5 years 5 - 10 years over 10 years
Digital users 1.1 1.5* 1.6
Cordless users 1.2 1.6* 2.1*

The relative risks marked * are statistically significant at 95% confidence
interval




Summary

It appears that there is a very strong and definitive trend in acoustic
neuromas, where even short term usage significantly increases your risk of
developing the tumour, even for digital and cordless phones. Analogue
phones seem to have posed the greatest risk and also show significant
increases in other types of benign tumours, especially with longer term
usage. One concerning finding is the statistically significant association
of all benign brain tumours with cordless phone use, showing a doubling in
risk for more than 10 years use at a very low average use per day. As the
average latency time for these benign tumours is thought to be 10 years or
greater, it would be very helpful to conduct a larger study in a few years
when it is possible to get both a) a larger sample of long term users of
mobile phones, and b) a longer period of usage for the long term users.

<http://histology1.med.uoc.gr/ijo/ijo.htm>
International Journal of Oncology
<http://histology1.med.uoc.gr/ijo/ijo.htm> - International Journal of
Oncology




[Non-text portions of this message have been removed]

Darn scary if you ask me. Even if they remain benign, it's likely going
to put pressure where it shouldn't at some point.

I read somewhere that in Japan, and I think it was Britan, that the
little radiation reducing buttons you can get for the phones is
standard equpment when you get the phones there. Anyone over there
know if that is true?

I've yet to meet someone here that even knows what they are when I tell
them about it. And being concerned about friends microwaving their
brains when they use them constantly through the day, I have yet to see
one of them care themselves. Even showed a friend pics. from some scan
how far it goes into the brain in just a few minutes.

~ Snoshoe



--- In [hidden email], Jan Jenson <vizual@...> wrote:
>
>
> Date: Sat, 11 Feb 2006 10:09:16 -0500
> From: "Lawrence A. Plumlee" <laplumlee@...>
> Subject: Increase in brain cancer risk from mobile or cordless phone
>
>
> 06/02/2006 - Study shows increase in brain cancer risk from using a
mobile
> or cordless phone for over 5 years
> From the International Journal of Oncology
>
> ----------
> http://www.powerwatch.org.uk/news/20060206_brain_tumours.asp

The trouble is that many people find mobile phones so incredibly useful that
they really do not want to believe that they could be harmful. So it would
take an awful lot of evidence to convince them. Ignorance is bliss. (Rather
like smoking and alcohol!) And try convincing a 9-year-old that you mustn't
have a mobile when all their friends have one and it is really uncool not
to. But what will happen to them in 10-15 years time? (And the risks of
developing ES may be a lot higher than that of cancer).

Ian



_____

From: [hidden email] [mailto:[hidden email]] On Behalf Of
snoshoe_2
Sent: 12 February 2006 19:15
To: [hidden email]
Subject: [eSens] Re: Increase in brain cancer risk from mobile or cordless
phone



Darn scary if you ask me. Even if they remain benign, it's likely going
to put pressure where it shouldn't at some point.

I read somewhere that in Japan, and I think it was Britan, that the
little radiation reducing buttons you can get for the phones is
standard equpment when you get the phones there. Anyone over there
know if that is true?

I've yet to meet someone here that even knows what they are when I tell
them about it. And being concerned about friends microwaving their
brains when they use them constantly through the day, I have yet to see
one of them care themselves. Even showed a friend pics. from some scan
how far it goes into the brain in just a few minutes.

~ Snoshoe



--- In [hidden email], Jan Jenson <vizual@...> wrote:
>
>
> Date: Sat, 11 Feb 2006 10:09:16 -0500
> From: "Lawrence A. Plumlee" <laplumlee@...>
> Subject: Increase in brain cancer risk from mobile or cordless phone
>
>
> 06/02/2006 - Study shows increase in brain cancer risk from using a
mobile
> or cordless phone for over 5 years
> From the International Journal of Oncology
>
> ----------
> http://www.powerwatch.org.uk/news/20060206_brain_tumours.asp







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