In a follow up to the same article a reader asks:
"What about 900+ MHz cordless phones? Are they in the same microwave
frequency? They seem to be more common than cell phones, and people tend to
talk longer with cordless phones. What's the health risk of those?"
I have often been curious about possible health hazards with these also. I
do suppose, though, that the amount of power coming from a cordless phone is
at least several magnitudes smaller than from a cell phone.
Max Kelson
Evans & Sutherland
-----Original Message-----
From: [email protected] [mailto:[email protected]]
Sent: Wednesday, December 01, 1999 10:35 AM
To: [email protected]
Subject: Re: Cell Phone Hazards?
I think the most important point made by the article of "Is
your cell phone
killing you?" in Zdnn is this:
"We found evidence of genetic damage in human blood," said
George Carlo,
WTR's chairman. "We have suggestions of excessive mortality
from brain
cancers among wireless phone users, and we have very clear
evidence of a
statistically significant higher risk of neuroepithelial
tumors. ..." and
"Many signs point to DNA damage as the likely culprit. Adey
has found a link
between low-intensity microwaves and DNA damage in rat brain
cells."
It is not important, on the other hand, whether or what
analogy exists
between Microwave fields from cell phone and silicone breast
implants,
tobacco, and Low Frequency EM Fields from power lines. If we
already have
very reliable statistic data showing the hazard to cell
phone users. Let's
try to prevent the damage first before finding the real
biological mechanism
behind the damage.
Barry Ma
--------------
From: <[email protected]>, on 11/30/99 12:13 PM:
The referenced article ponders why there might be a health
effect if there is
little or no "heating" of human tissue.
The present standards for safe levels of RFR for the Western
world are
predicated on the assumption that biological effects are
only due to the
heating effect. There have been many published articles
about cancers caused
by those who worked with or near high powered X-ray or radar
equipment that
can effect heating of body tissues. In fact, RF generators
have been used
over patients arms or legs to intentionally apply heat
therapy to the inner
portions of these limbs.
Oddly, only Russia focused on the possible biological
effects of long term
exposure to low level radiation. As a result, they set
limits that were two
orders of magnitude below those of the Western world.
The truth is that no one knows what the health effects might
be from long
term exposure to low level radiation. As some have pointed
out, distance is
a critical element of exposure. Cellphone antenna are often
virtually
touching the users skull. Even with very low RF power out,
they can produce
levels within the head that are far higher than that from
radio and TV
transmitters that are a mile or so away. It is a recent
phenomena for the
"average" person to be exposed to long term low level
radiation via the use
of cheap personal transmitters. Even laborers who have used
two way radios
for decades did not spend the same time with the antenna
pressed to their
face as the typical cellphone user.
Only time and more studies will reveal the truth. However,
once all of the
class action money has been rung out of the tobacco
companies, do not be
surprised if next BIG class action suits head in the
direction of cellphone
users.
George Alspaugh
--------------
On Tue, 30 November 1999, [email protected] wrote:
> The following article was presented this morning on ZDNET
with regard to the
> safety of Cell phones. Thought some of you might be
interested.
>
>
http://www.zdnet.com/zdnn/stories/news/0,4586,2401220,00.html
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