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RE: Radiation Hormesis



It also helps to remember as that you get older you do

not run as fast.  As such, I try to refrain from

playing "chicken" with passing cars.



--- "Flanigan, Floyd" <Floyd.Flanigan@nmcco.com>

wrote:

> I believe we ran this thread about a year and a half

> ago on statistical probability and age/time.

> Obviously, the more time you spend exposed to any

> possibility of an incident, the greater the

> possibility becomes of the incident happening no

> matter if it is cancer due to length of life of

> being hit by a car because you ran across the same

> remote country road enough times. All things good or

> bad have an increased probability of occurring with

> the passage of time. It is, however, inversely

> proportional if I remember correctly and has no apex

> junction. The theory of infinite halves negates the

> absoluteness of an event occurring eventually. The

> odds simply increase by smaller and smaller gains as

> the progression continues to infinity.

> 

> Floyd W. Flanigan B.S.Nuc.H.P.

> 

> -----Original Message-----

> From: John Jacobus [mailto:crispy_bird@YAHOO.COM]

> Sent: Thursday, January 22, 2004 9:05 AM

> To: Vernig, Peter G.; radsafe@list.vanderbilt.edu

> Subject: RE: Radiation Hormesis

> 

> 

> Dr. Luckey gave a presentation that I attended where

> he claimed that the incidences of cancer were

> increasing during the last century aecause we

> reducing

> radiation exposure.  My comment was if changes in

> life

> expectancy considered.  In 1900, the life expectancy

> was 45 years.  In 2000, it was 73 years.  If you

> look

> at the statistics, the risks of breast and prostate

> cancers increase as one ages.

> 

> --- "Vernig, Peter G." <Peter.Vernig@MED.VA.GOV>

> wrote:

> > Group.

> > 

> > I suggest those interested in it, search radiation

> > hormesis and look among

> > other things for publications by T. D. Luckey.  He

> > is one of the foremost

> > proponents of radiation hormesis.  I attended a

> > conference in Berkeley in

> > the mid 1980s on hormesis.  There seemed to be a

> lot

> > of evidence to support

> > it in various biological systems.  Luckey goes

> > farther than most in saying

> > that there is a minimum requirement of radiation

> > like vitamins and places

> > that coincidentally at 5 rem per year with I

> believe

> > 10 rem as optimal.  I

> > think it safe to say that he goes beyond what most

> > proponents of hormesis do

> > in that regard however at the conference there was

> a

> > reference list that to

> > my recollection was between 50 and 100 papers that

> > supported a hormetic

> > affect in a given system.

> > 

> > A case made by proponents was that many of the

> > studies supporting it were

> > not published or given much credence if published

> > because they ran counter

> > to the accepted concept of a linear dose response

> > curve.

> > 

> > I am neutral on hormesis and do not wish to take

> up

> > a debate on it on

> > Radsafe.  I am merely pointing out an avenue of

> > investigation for those

> > interested.

> > 

> > Any opinions expressed in this message are mine

> > alone and do not necessarily

> > represent those of the Eastern Colorado VA Health

> > Care System, The

> > Department of Veterans Affairs, or the United

> States

> > Government.

> > 

> > Peter G. Vernig

> > Radiation Safety Officer, VA Medical Center 1055

> > Clermont St. Denver, CO

> > 80220, ATTN:  RSO MS 115; peter.vernig@med.va.gov;

> > personal

> > peter_vernig@hotmail.com; 303.399.8020 ext. 2447,

> > FAX: 303.393-5026 [Off on

> > weekends] Alternate fax 303-377-5686 [Service

> 24/7]

> > "...whatever is true, whatever is noble, whatever

> is

> > right, whatever is

> > pure, whatever is lovely, whatever is admirable,

> if

> > anything is found to be

> > excellent or praiseworthy, let your mind dwell on

> > these things."

> > Paul of Tarsus

> > 

> >

>

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> > 

> 

> 

> =====

> +++++++++++++++++++

> "I have sworn upon the altar of God, eternal

> hostility against every form of tyranny over the

> mind of man."

> Thomas Jefferson

> 

> -- John

> John Jacobus, MS

> Certified Health Physicist

> e-mail:  crispy_bird@yahoo.com

> 

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> 





=====

+++++++++++++++++++

"I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man."

Thomas Jefferson



-- John

John Jacobus, MS

Certified Health Physicist

e-mail:  crispy_bird@yahoo.com



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