[ RadSafe ] Diesel exhaust and underground mining vs other factorsfor lung cancer

Sun Mar 4 14:19:54 CST 2012

An aged man is but a paltry thing,
A tattered coat upon a stick, unless
Soul clap its hands and sing, and louder sing
For every tatter in its mortal dress,
Nor is there singing school but studying
Monuments of its own magnificence;
And therefore I have sailed the seas and come
To the holy city of Byzantium.

On Sun, Mar 4, 2012 at 12:18 PM, Dlawrencenewyork
<dlawrencenewyork at aol.com>wrote:

> According to the CDC:
> There are about 129,900 lung cancer deaths per year in the US and 98,900
> from other obstructive  pulmonary diseases from 2000-2004 attributable to
> cigarette smoking.
> MMWR 2008;57(45):1226-1228
>
> A back of the napkin calculation yields 19,400 lung cancer and 14780 other
> pulmonary obstruction deaths from outside sources. Without delving into the
> statistics one cannot attest to the exclusivity of the other causal groups.
> Obviously there is overlap and typically the risks from the differing
> hazards are multiplicative for the exposed individual.
>
>
> if I my old eyes read that correctly on my iPhone screen at least.
>
>
>
> Best Regards,
> David
>
> On Mar 3, 2012, at 12:11 AM, Steven Dapra <sjd at swcp.com> wrote:
>
> > March 2
> >
> >        To answer my own uncertainty, "In the United States, smoking is
> estimated to account for 87% of lung cancer cases (90% in men and 85% in
> women)."
> >
> >        Eighty seven percent of 450,000 is 391,500 lung cancer deaths per
> year from smoking.
> >
> >        The estimate quote is from Wikipedia and is sourced (fn. 23).
> >
> > http://en.wikipedia.org/wiki/Lung_cancer#cite_note-Samet2-22
> >
> > Steven Dapra
> >
> >
> > At 09:53 PM 3/2/2012, you wrote:
> >> March 2
> >>
> >>        The dispute is not over whether or not radon causes cancer.  The
> dispute is over how much cancer is caused by radon.  The EPA estimated (in
> 2003) that radon causes about 21,000 lung cancer deaths per year.  This
> estimate was based on BEIR VI.
> >>
> >> http://www.epa.gov/radon/risk_assessment.html
> >>
> >>        The annual death toll from cigarette smoking is around 450,000.
>  (How much of that is lung cancers I do not know.)
> >>
> >>        I am eagerly awaiting the JNCI paper, which will be available on
> the afternoon of Monday, March 5.
> >>
> >> Steven Dapra
> >>
> >>
> >>
> >> At 03:15 PM 3/2/2012, you wrote:
> >>> Hi, Patricia.
> >>>
> >>> I think you are overselling that part of a sentence.  While I haven't
> >>> seen the article, I suspect what they mean is that even when the other
> >>> factors are controlled statistically, risk of dying of lung cancer
> >>> increases as REC exposure increase.  This does not mean that
> researchers
> >>> are saying that silica, asbestos, non-diesel exhaust-related polycyclic
> >>> aromatic
> >>> hydrocarbons, respirable dust, and radon do not cause cancer, but
> rather
> >>> their results are not explained by those other cancer causing agents.
> >>>
> >>> If you did a little bit of research on your source, you would find that
> >>> Journal of the National Cancer Institute, in which this paper will
> >>> appear, has over 200 papers, articles, and editorials which mention
> >>> radon (though most are not about radon), and a quick perusal shows
> >>> almost all agree that radon can cause cancer, though there is
> discussion
> >>> about the numbers.  The International Agency for Research on Cancer,
> >>> cited as the agency that classified diesel exhaust as a probable
> >>> carcinogen, also classifies radon as a carcinogen.
> >>>
> >>> I suspect that when you read this entire article, it will not in fact
> >>> support your position.
> >>>
> >>> -----Original Message-----
> >>> From: radsafe-bounces at health.phys.iit.edu
> >>> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of patricia
> lewis
> >>> Sent: Friday, March 02, 2012 11:50 AM
> >>> To: radsafe at health.phys.iit.edu
> >>> Cc: Edward Calabrese; patricia lewis; Jerry Cuttler; Doug Boreham; TD
> >>> Luckey
> >>> Subject: [ RadSafe ] Diesel exhaust and underground mining vs other
> >>> factorsfor lung cancer
> >>>
> >>> http://www.eurekalert.org/pub_releases/2012-03/jotn-sse030212.php
> >>>
> >>> Studies show exposure to diesel exhaust may increase lung cancer
> >>> mortality
> >>> (all author contact info is within the article)
> >>>
> >>> SNIP: "The researchers found a statistically significantly increased
> >>> risk
> >>> of lung cancer with increasing REC exposure among underground workers.
> >>> Some
> >>> evidence of increased risk was also shown for longer-term workers above
> >>> ground who were exposed to elevated levels of REC (Respirable Elemental
> >>> Carbon - a surrogate of diesel exhaust exposure). Other workplace
> >>> exposures
> >>> such as silica, asbestos, non-diesel exhaust-related polycyclic
> aromatic
> >>> hydrocarbons, respirable dust, and radon, had little or no effect on
> the
> >>> findings."  Repeat: ".... and radon, had little or no effect on
> >>> findings."
> >>>
> >>> --
> >>> Pat Lewis
> >>> http://www.radonmine.com
> >
> > _______________________________________________
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-- 
Dan ii

Dan W McCarn, Geologist
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