Re: Radon and Lung Cancer: What the studies really say.

[BERNARD L COHEN <blc+@PITT.EDU>]

On Fri, 20 Jun 2003 epirad@mchsi.com wrote:



> My point is that there is good consistency in the central estimate among

> studies even at 100Bq/m3 - In other words, the majority of studies do not

> provide evidence to suggest a negative association.



	--This is not the same as saying that it supports LNT; that is

the statement I was questioning. I have never claimed that my data show a

negative association between lung cancer risk and radon exposure; I only

claim that my data show that LNT fails very badly in the low dose region.



>

> Consistency of results is one of the factors along with biological plausibility

> etc. one looks for when determining causality.

> >

> > On Fri, 20 Jun 2003 epirad@mchsi.com wrote:

> >

> > > Unfortunately the treatment described uses the same problematic smoking data

> > > that does a poor job of predicting county lung cancer rates.

> >

> > 	--The smoking data I use does an excellent job of predicting

> > county lung cancer rates; it implies that all lung cancer is due to

> > smoking; see section on "Defense of PITT S-values" in Item #15 on my web

> > site. Your statement is based on its failure to do an excellent job in

> > predicting all the small random fluctuations in smoking and lung cancer

> > rates; this was explained in my paper in Health Physics 72:489-490;1997

> >

> > 	--I have shown that no remotely plausible smoking prevalence data

> > can explain the discrepancy between my data and LNT. See Sec. 4.2 of Item

> > #7 on my web site.

> >

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>



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