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Fwd: No effect Found for RF Radiation (and need for further research)
>From another list server I subscribe. As I read it,
it shows (1) why research needs to be done, and, more
importantly, repeated to confirm the results. (2)
Regulatory problems are political.
It is long, but here is the original link.
http://www.newscientist.com/opinion/opinterview.jsp?id=ns24121
--- Jim Hoerner <jim_hoerner@hotmail.com> wrote:
> To: Know_Nukes@yahoogroups.com
> CC: downwinders@yahoogroups.com
> From: "Jim Hoerner" <jim_hoerner@hotmail.com>
> Date: Thu, 11 Sep 2003 21:11:58 -0400
> Subject: [Know_Nukes] No effect Found for RF
> Radiation
>
> It's good to talk
>
Mays Swicord spent 26 years searching for a health
effect of radio-frequency radiation. He tried and
tried to falsify the notion that this radiation - the
kind emitted by mobile phones - has no effect. He
failed. He changed sides, and for the past 8 years he
has been working for the mobile phone maker Motorola.
Now he is trying to convince us that mobile phones are
safe, and that enough research is enough. David Cohen
caught up with him when he visited London
I see you have two mobile phones on your belt...
One is for the US, and one is for travel.
Do you ever worry about radiation from them?
Never. I have probably had hour-long conversations on
a mobile phone. I wouldn't worry about it in terms of
health - just in terms of the discomfort of holding a
phone against my head for an hour.
Have you ever had that feeling of your ear getting
warm?
Well, yes. But hold your hand against your ear. It
gets warm, right? It's because your ear is normally
cooled by the air. Put an insulator against it, and it
will warm up closer to body temperature. Older phones
lost a lot of power from electric circuits heating up.
Neither kind of warming comes from the radio-frequency
(RF) emissions.
The standards are very conservative about that.
Theoretical studies estimate the temperature rise in
body tissue from RF radiation to be around 0.1 °C.
Was there a crucial event that changed your attitude
after all those years?
It was gradual. You don't arrive at this point by
overnight conversion.
In 1984 you published a paper claiming a non-thermal
effect of low-level RF radiation on DNA. What
happened?
We thought we saw a change in the structure of
purified DNA that varied with the frequency of the
radiation we exposed it to. You would expect this kind
of frequency dependence from a non-thermal effect. We
got all excited about it, and so did the research
community in general. Then the normal scientific
process took place. Several people tried to replicate
our results.
And what did they find?
Nothing. No one managed to reproduce our result. We
were unable to go back and look at the work ourselves
because we had moved on to looking at extremely
low-frequency (ELF) radiation.
Were you disappointed?
When two or three people try to repeat your work and
cannot, even if you help them with their work, even
when they visit you to go over what you have done -
then you have to say, "OK, it was a fluke." The
scientific process always does this.
Did you find another explanation for what you saw?
Not really. We had used an old piece of equipment
called a network analyser, and some people suggested
the frequency dependence came from this, not the DNA.
I know of no better explanation.
Did you see any work that suggested RF effects?
Let me answer that in a different way. On the World
Health Organization (WHO) website you'll find a
database set up by the IEEE (the US Institute of
Electrical and Electronics Engineers) containing
thousands of papers, reports and reviews since 1950,
all of them about non-ionising radiation in some way.
Almost 1300 of them are peer-reviewed publications
dealing with the issue of biological effects. Of
course, a lot of them report that radiation does have
an effect. But I don't know of one that is confirmed
or replicated by independent researchers.
But don't people say that if so many studies by
reputable researchers are reporting measurable
effects, then there must be something there?
That's not the way the body of science grows. One of
the reasons for trying to replicate others' findings
is because you don't want to waste energy testing a
prediction based on a freak result. You need a
repeatable phenomenon to study. That's why, when I was
at the US Food and Drug Administration, I started
trying to do replication studies to get to the bottom
of whether or not these were repeatable phenomena. If
they were, we could build on them. But that's just not
happening.
Why do you think it's not happening?
After 35 years in this business, I must conclude that
there is nothing there. What else can I conclude? Even
when people say, "we've found something new", you go
back to that database and you'll find people have
already done something related and haven't been able
to prove it as a predictable phenomenon.
What about the UK government's Stewart report, which
advised that children should not use phones because of
the potential for developmental problems?
I don't think the Stewart report really considered all
the relevant data. No one has exposed children and
cheched to see what happens. That would be unethical.
But there is a study of prenatal RF exposure of a
monkey. It wasn't a cellular telephone signal, but I
really think that's immaterial; it was still in the RF
range. The monkey was exposed prenatally and then
throughout its young life with no effects whatsoever.
What about pregnant women?
Temperature is an issue: you would probably not want
to raise the fetus's temperature. But phones just
don't produce enough heating for that to happen to a
significant extent. We have no indication that there
are any other, non-thermal effects.
But aren't thermal effects themselves a justifiable
concern?
Sure, if you heated enough. But if you run a marathon
you'll find your ear can rise to 40 °C. So you can
take temperature increases without ill effect. With
mobile phones we're talking not about degrees, but
tenths of degrees of temperature rise. There are now
serious attempts to really think through what
temperature rise could cause a problem, but whatever
it is, right now there is a safety factor.
Do you feel the same way about the new generation of
3G phones?
Well, some people say we need to do a whole new
assessment because of the coming of 3G. But you can't
just say, "Hey, it's a new signal, give me $50
million and let's do it." How is 3G supposed to be
different from the current system? Is it the higher
frequency? There have been studies across all
frequencies from 400 megahertz to 2450 megahertz. Some
suggest the modulation patterns that encode data on
the base frequency have distinct effects. A good
physicist will say it's impossible to have
rectification in tissue above about 1 megahertz,
therefore modulation can't make any difference. But
even if it could, it's at the same levels in both
systems.
You are gaining a reputation as a debunker of myths...
Really? I don't think I'm a debunker. I started my
career looking for effects. I spent a lot of time
cooperating on biological research to find something
that could be repeated. We did one study in the
millimetre-wave range, some studies in the RF range
and some in the ELF range. All failed. And you could
say, "Well, that's because you're a poor researcher."
But I think we did quality work.
Could we be missing something obvious?
We can never prove the null hypothesis. If we took
all the funds in the world and spent them on this
issue, we would still have questions left over which
we could pose scientifically. We can't keep driving
the public to spend more money on an issue that should
be brought to closure at some point.
That's quite a change for a man who a few years ago
got excited by finding a potential RF effect.
It comes down to having a public conscience. We have a
public responsibility because we are spending public
funds. Whether the money comes through industry or
through the government, we pay - either through the
cost of devices or in taxes. So we have a
responsibility to say when enough is enough. The
public wants to know whether there is a health issue.
If there isn't one, then we should stop wasting money
looking for it. There are other more pressing health
issues in the world. People are still starving out
there.
Won't people see that as sour grapes?
Well yes, that is always a possibility. If there
really were an effect, I'd have to say: "Alright, I
confess my incompetence." But you have to look at
what other people have done. Has anybody been able to
replicate any of these findings? The answer is no. At
some point we have to say: "This is it." We have to
define an end.
How would you define that end?
We need to stick to the WHO research agenda. There are
classical approaches to this. For example, there are
standard procedures for assessing cancer risks. Most
important are human studies - epidemiology. If the
epidemiology is weak - which is not true for RF, there
is a very large epidemiology study under way right now
- then we do a lifetime study on an animal, a
so-called bioassay. If those studies raise issues,
then we need to clarify that with more research. If
they don't raise issues then we should say: "We have
enough to cover it."
I would go further, and say we should stop spending
money, whether it comes from government or industry.
Why should the public trust a scientist in the pay of
a company with a vested interest in selling mobile
phones?
Well, you are from the UK, a country that has greater
distrust of government and of industry than most
others. It's not a uniquely British problem, but it is
more of a problem for you than in America. I think
that there is a responsibility to say: "Here's what's
rational, let's stop reacting to things that don't
make sense, let's go back to a scientific base, let's
analyse things and come up with the appropriate
approaches and appropriate answers."
But there is a perception by the public that you have
a conflict of interest.
I understand that. But academic researchers also have
a conflict of interest in that they want to promote
their own research. So one has to look at what makes
sense in terms of science, or in terms of public
health. We cannot get away from who we are or who we
work for. We have to ask just what scientific process
should be followed.
Can you blame the public if they take a "better safe
than sorry" attitude?
We have to go to a neutral forum, the WHO. If the
public don't take advice from the public health
officials, then who are they going to take advice
from? The public have to realise that everyone has
some sort of conflict of interest. It's our
responsibility to educate the public that it is
through the scientific process that the truth will
emerge, not through the political process, which
serves special interests.
Do you see yourself as a reluctant campaigner?
Trying to deal with science issues with the general
public becomes more political than scientific in terms
of how you phrase things, how you put things forward.
It's a bit of an uncomfortable situation for me. I
would much prefer to go sit in the laboratory and get
back to twiddling knobs and working out equations. I
am not longing to become a politician, though I may
do some day. I wouldn't rule anything out.
http://www.newscientist.com/opinion/opinterview.jsp?id=ns24121
=====
"May we never confuse honest dissent with disloyal subversion."
Dwight D. Eisenhower
-- John
John Jacobus, MS
Certified Health Physicist
e-mail: crispy_bird@yahoo.com
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