[ RadSafe ] protraction enhancement effect

[Emmanuel.Egger at babs.admin.ch]

Actually I remember having read a paper some twenty years ago where heavy smokers working in uranium mines had less lung cancer than none smokers!!!

Emmanuel Egger

-----Ursprüngliche Nachricht-----
Von: radsafe-bounces at health.phys.iit.edu [mailto:radsafe-bounces at health.phys.iit.edu] Im Auftrag von HOWARD.LONG at comcast.net
Gesendet: Mittwoch, 1. September 2010 01:46
An: The International Radiation Protection (Health Physics) Mailing List
Cc: Jane Orient; CC
Betreff: Re: [ RadSafe ] protraction enhancement effect



B Cohen, (radon), B Scott, (CTs), Cuttler (low dose Rx), Pollycove (experimental studies) and the Taiwan Apt study group (Co 60) should have very interesting comments on this non-intuitive declaration that the body survives better when there is not time for its defenses to mitigate harm. (Jeremy, could you forward this to them - my computer has been freakishly "recovered' and lost them.) 



I sunbath for 10 min a day (when I can) but would promptly be done in by  300 min. at a time. 

Perhaps factors like longer smoking time or longer mine dust exposure accounts for this. 



Howard Long  

  




----- Original Message ----- 
From: blreider at aol.com 
To: radsafe at health.phys.iit.edu 
Sent: Tuesday, August 31, 2010 3:05:19 PM 
Subject: Re: [ RadSafe ] protraction enhancement  effect 


"for equal total dose, a greater risk is incurred by those whose total dose is accumulated at a lower rate over a longer duration than at a higher rate over a shorter duration." 

http://www3.cancer.gov/intra/dce-old/pdfs/reumid.pdf 
  
Barbara Reider, CHP 




http://www3.cancer.gov/intra/dce-old/pdfs/reumid.pdf 
  
Barbara Reider, CHP 






-----Original Message----- 
From: Brennan, Mike (DOH) (DOH) <Mike.Brennan at DOH.WA.GOV> 
To: The International Radiation Protection (Health Physics) MailingList <radsafe at health.phys.iit.edu> 
Sent: Tue, Aug 31, 2010 2:28 pm 
Subject: [ RadSafe ] protraction enhancement effect 


Has anyone heard of "protraction enhancement effect", apparently also called 
inverse exposure-rate effect"?  I ran across it in an ICRP document, and I just 
ant to see if other, more knowledgeable people think it means what I think it 
eans. 
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