[ RadSafe ] Limits of radiation epidemiology studies

[John Jacobus]

I would think that it is easier to prove low doses do
no harm than to show they have a benefit.  Many
professional organizations and research efforts have
proven it.  

http://hps.org/documents/radiationrisk.pdf

--- jjcohen <jjcohen at prodigy.net> wrote:

> Andy,
>     Does this Gonzalez lecture reveal some  new
> understanding of the
> relationship?
> I wonder whether they might next discover hormesis?
> 
> 
> ----- Original Message -----
> From: A Karam <paksbi at rit.edu>
> To: RADSAFE <radsafe at radlab.nl>
> Sent: Monday, February 07, 2005 1:09 PM
> Subject: [ RadSafe ] Limits of radiation
> epidemiology studies
> 
> 
> Abel Gonzalez had a very nice graphic in one of his
> recent lectures (I
> think it was the Sievert Lecture, but it may have
> been the Taylor).  In
> this, he showed the relationship between added dose
> and the size of the
> study population needed to show an effect, using our
> current
> epidemiological tools.  It clearly shows that, as
> dose drops, the study
> population must increase to compensate.  At very low
> doses, the study
> population is larger than the current population of
> the earth, putting
> some constraints on what epidemiology can show us.
> 
> Abel's Sievert presentation can be found at this
> URL:
> 
>  http://www.irpa11.com (click on "Plenary Sessions"
> to call up link to
> the presentation graphics)
> 
> Andy
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=====
+++++++++++++++++++
"United States officials were surprised and heartened today at the size 
of turnout in South Vietnam's presidential election despite a Vietcong 
terrorist campaign to disrupt the voting."

- New York Times, September 4, 1967


-- John
John Jacobus, MS
Certified Health Physicist
e-mail:  crispy_bird at yahoo.com


		
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