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Re: Respectful Offers & Responses
John and other radsafer.
I can't explain the underlying mechanisms. That was Trivedi's area of
expertise and he died of a heart attack last month. I recommend you look at
Sarah Darby's paper (BMJ; 2003: Vol. 236; pp 256-257)and the references
there for an explanation. the mechanisms.
_______________________
John R Johnson, PhD
idias@interchange.ubc.ca
----- Original Message -----
From: "John Jacobus" <crispy_bird@yahoo.com>
To: "John Johnson" <idias@interchange.ubc.ca>; "John Wong"
<Wong@attorney.zzn.com>; <garyi@trinityphysics.com>; "Radsafe Listserver"
<radsafe@list.vanderbilt.edu>
Cc: "Philippe Duport (UO)" <pduport@uottawa.ca>; "Slavi Vlahovich"
<Slavica_Vlahovich@hc-sc.gc.ca>; "R. William Field" <bill-field@UIOWA.EDU>
Sent: Thursday, May 01, 2003 2:56 PM
Subject: Re: Respectful Offers & Responses
> You will have to explain the underlying mechanisms to
> me. I can understand the associated risks from high
> dose teletherapy, but is there a low dose, dose risk?
> What level of doses are you talking about?
>
> --- John Johnson <idias@interchange.ubc.ca> wrote:
> > John, Gary and other Radsafers
> >
> > It has been recognized for some years that radiation
> > can result in cardiovascular diseases, and since
> > radon will result in elevated doses to the cells at
> > risk, we think it will also. The abstract of our
> > presentation at the CRPA AM later this month is
> > "imported" below.
> > ******
> >
> > Can Radon Accelerate Cardiovascular Diseases among
> > Workers
> > and Exposed Population?
> > J. R. Johnson1), A. Trivedi 2) and P. Duport
> > 3)
> > 1) IDIAS, Vancouver, British Columbia;
> > Canada
> > 2) Radiation Biology and Health Physics Branch,
> > AECL, Chalk River, Canada
> > 3) International Centre for Low Dose Radiation
> > Research, University of Ottawa, Ottawa,
> > Canada
> >
> > Cardiovascular diseases are reported as the cause
> > of morbidity and mortality among those
> > exposed to (high) therapeutic doses of radiation,
> > A-bomb explosions, accidental
> > (Chernobyl liquidators) and occupational levels of
> > radiation. Radiation can be considered
> > as one of many risk factors for cardiovascular
> > diseases. As such, it may be necessary to
> > reduce not only other risk factors as far as
> > possible, but also to minimize exposures to
> > radiation to further reduce the burden of
> > cardiovascular diseases in the population. This
> > presentation will review relevant information on
> > radiation-induced cardiovascular diseases
> > including that from radon in uranium miners and in
> > Newfoundland's fluorspar miners.
> > Although standardized mortality ratio (SMR) values
> > for cardiovascular diseases are
> > consistently less than one in uranium miner
> > cohorts, a trend for increased cardiovascular
> > risk with increasing exposures was observed in the
> > Newfoundland fluorspar miner cohort.
> > We have calculated the doses to blood and coronary
> > artery wall from radon and progeny,
> > and have concluded radon exposure may indeed
> > increase the incidence of cardiovascular
> > diseases and that a thorough investigation of that
> > risk is justified, even at environmental
> > and occupational levels.
> >
> > ****
> >
> > John
> > _______________________
> > John R Johnson, PhD
> > idias@interchange.ubc.ca
> >
> >
> > ----- Original Message -----
> > From: John Wong
> > To: garyi@trinityphysics.com ;
> > radsafe@list.vanderbilt.edu
> > Sent: Thursday, May 01, 2003 8:28 AM
> > Subject: Respectful Offers & Responses
> >
> >
> > Gary,
> >
> > I apologize for the large font. I am retired
> > and nearly blind.
> >
> > Thank-you to everyone who answered my request
> > regarding information
> > about the health risks of radon. Am I correct
> > in understanding that
> > radon exposure may also be related to heart
> > disease?
> >
> > REGARDING THE REWARD OFFER -
> >
> > I responded regarding the reward offer because
> > I never saw such a
> > clear cut breach of an offer. Dr. Cohen made
> > an offer that if someone
> > published a suggested cause, they would be
> > paid. My post was not
> > related to science, but addressed a just
> > outcome. It was in response
> > to an obvious breach of contract. I would
> > respectfully ask Dr. Cohen
> > not to make future offers like this. If he did
> > not make offers like
> > this, these postings would never had been made
> > regarding this topic.
> >
> >
> >
> > ---- Begin Original Message ----
> >
> > From: garyi@trinityphysics.com
> > Sent: Wed, 30 Apr 2003 17:16:01 -0500
> > To: "John Wong" <Wong@attorney.zzn.com>,
> > radsafe@list.vanderbilt.edu
> > Subject: Re: Offers and Answers
> >
> > ----------------------------------------------
> >
> > Please turn off the giant blue font.
> >
> > -Gary Isenhower
> >
> >
> >
> >
> >
> >
> > Get your Free E-mail at
> > http://attorney.zzn.com
> >
> >
> ___________________________________________________________
> > Get your own Web-based E-mail Service at
> > http://www.zzn.com
> >
> >
> >
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> >
>
>
> =====
> -- John
> John Jacobus, MS
> Certified Health Physicist
> e-mail: crispy_bird@yahoo.com
>
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