RE: Risks of low level radiation - New Scientist Article

["Jacobus, John (OD/ORS)" <jacobusj@ors.od.nih.gov>]

Jim,

So he showed a direct relationship between lung cancer and radon despite the

"urban" relationship?  



-- John 



-----Original Message-----

From: Muckerheide [mailto:muckerheide@mediaone.net]

Sent: Monday, December 10, 2001 6:40 PM

To: Jacobus, John (OD/ORS); Otto G. Raabe; RadSafe

Subject: Re: Risks of low level radiation - New Scientist Article



. . .

 From: "Jacobus, John (OD/ORS)" <jacobusj@ors.od.nih.gov>



> Otto,

> I believe there were postings about soot or fine particles as being a

cause

> for lung diseases in cities.  Could this be the confounding factor for

which

> you are looking?

> 

> -- John 



John,

A good thought, but it's not. Cohen stratified his data into 5 levels, in

one case, from the "most-rural" to the "most-urban."  Each separate

(completely independent) set shows the same relationship between radon and

lung cancer.

. . .

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