[ RadSafe ] Article by Vincent Giuliano on "Radiation Hormesis"

Sat Feb 23 04:09:42 CST 2013

Mohan: Thanks for the  very good editorial. Best, Ludwig

-----Ursprüngliche Nachricht-----
Von: radsafe-bounces at health.phys.iit.edu
[mailto:radsafe-bounces at health.phys.iit.edu] Im Auftrag von Mohan Doss
Gesendet: Freitag, 22. Februar 2013 20:13
An: radsafe at health.phys.iit.edu
Betreff: Re: [ RadSafe ] Article by Vincent Giuliano on "Radiation Hormesis"

Hi Victor and All,
     Since the regulatory agencies are influenced by international advisory
bodies in setting the policies, we should probably appeal to these bodies to
change their recommendations. The simpler the arguments we present against
the current officially recognized concepts, the better the chance that the
advisory bodies may consider changing their recommendations.  In this
connection, you may be interested in the 
Editorial entitled   "The importance of adaptive response in cancer 
prevention and therapy" that has been published in Medical Physics:  
Med. Phys. 40, 030401 (2013).  Below is the link to the journal website from
which you can view the link to the article, and download it. Though the
journal is subscription based, Editorials are free to access for everyone.
http://online.medphys.org/resource/1/mphya6
        With best regards,

Mohan

Mohan Doss, Ph.D., MCCPM
Medical Physicist,
Associate Professor, Diagnostic Imaging, Fox Chase Cancer Center, R427
333 Cottman Avenue,
Philadelphia, PA 19111-2497.
Phone: 215 214-1707
Fax:   215 728-4755
E-mail:  Mohan.Doss at fccc.edu

On 1/29/2013 2:59 PM, Victor Anderson wrote:
> Good Morning,
>
>
>
> The evidence for hormesis is certainly there.  I too believe that LNT 
> is no longer a viable basis for radiation safety.  Being an 
> ex-regulator, for me the next big question is placing some numerical 
> values on radiation safety standards.  Given that X Gy of dose will 
> not cause any harm, should that be the new radiation safety standard?  
> This brings as least two questions to
> mind: 1) Given biological variability, what is a safe upper limit? and 
> 2) How does the new standard work for different types of radiation, 
> rates (gy/y, gy/hr?), mode of delivery?  We also need to look at a new 
> unit as the Sievert and REM were both pegged to probability of death 
> by cancer.  So, if say 1 cGy of gamma radiation has no risk of cancer, 
> then the risk based dose is zero (0 cSv).  Suppose there is a region 
> where there is some protective benefit mixed with some chance of harm?  
> A fine kettle of fish. The reason I ask is that the next step is to 
> petition the NRC for a rule change.  The bigger question is what kind 
> of rule change?  With this is mind, I would propose an an hoc 
> committee to work on this problem.  Any takers?  If so, please e-mail me.
>
>
>
> Victor Anderson, CHP
>
>
>
> -----Original Message-----
> From: radsafe-bounces at health.phys.iit.edu
> [mailto:radsafe-bounces at health.phys.iit.edu] On Behalf Of Scott, Bobby
> Sent: Tuesday, January 29, 2013 11:10 AM
> To: The International Radiation Protection (Health Physics) 
> MailingList
> Cc: Miller, Mark L; Jerry Cuttler; Dobrzynski Ludwik; Payne,Steven S.
> Subject: [ RadSafe ] Article by Vincent Giuliano on "Radiation Hormesis"
>
>
> Hi all,
>
>
> I came across an interesting 7 September 2012 article on the web by
>
> Vincent Giuliano titled "Radiation Hormesis."  The link for the 
> article
>
> follows:
>
>
> http://www.anti-agingfirewalls.com/2012/09/07/radiation-hormesis/
>
>   I thought some of you may like to know about the article.
>
> Best wishes,
>
>   Bobby
>
>   B. R. Scott
> Senior Scientist
> Lovelace Respiratory Research Institute
> 2425 Ridgecrest Drive SE
> Albuquerque, NM 87108 USA
> Phone: 001-505-348-9470
> Fax: 001-505-348-8567
> E-mail: bscott at LRRI.org<mailto:bscott at LRRI.org>
>
>
>

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