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Re: Mobile phones & brain tumors
Hello, Bjorn,
This study arrives at different conclusions, it seems, than the previous work.
The interesting item in the previous post is that presumably the radio worn
by the driving examiner is a lower frequency unit than cell phones which
start at about 900 Mhz and go up from there.
Also, cell phones are transmitting (even when not talking) and
communicating with the cell site. The typical usage of cell phones (long
conversations) is generally much different than the short communications of
public-service type radio.
I caution about any inferences to the previous question drawn from cell
phone usage. The technical differences are great.
While I cannot say it doesn't exist, I have not heard of a study or
concern among public safety officers about radio usage and cancer.
There _may_ be (and again, I don't know of any real studies) some concern
about people who spend long periods at high-power broadcast transmitter
sites, but, then again, most of the time they are inside well-shielded
buildings where the signal level is lower than on a normal street.
My own opinion...not speaking for anyone else.
Cheers,
Richard
At 05:47 PM 2004/11/09 +0000, Bjorn Cedervall wrote:
>The mobile phone study that came from Stockholm a month ago has been
>commented by Nature:
>http://www.nature.com/news/2004/041011/pf/041011-11_pf.html
>
>This study was covered by many public media around the world but few if
>any seemed to discuss the statistics. I suggest that anyone interested
>takes a look at the original publication - including the key confidence
>interval (for an odds ratio based on 12 cases).
>
>My personal initiative only,
>
>Bjorn Cedervall bcradsafers@hotmail.com
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