[ RadSafe ] Re: ABC (aus) 7;30 Report
neildm at id.doe.gov
neildm at id.doe.gov
Thu Jan 22 14:46:30 CST 2009
An interesting thought - melamine is used in some plastics, and if the
irradiation could cause depolymerization ...
Just a WAG; there are a lot of what-ifs implied in that.
From: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] On
Behalf Of Kai Kaletsch
Sent: Thursday, January 22, 2009 11:15 AM
To: Ivor Surveyor; radsafe at radlab.nl
Subject: Re: [ RadSafe ] Re: ABC (aus) 7;30 Report
What about the possibility of radiation causing chemicals in the
being released into the food? Radiation certainly changes plastic and
food cans seem to have a plastic lining. I can't think of anything that
would have a higher packaging to food ratio than gourmet cat food.
----- Original Message -----
From: "Ivor Surveyor" <isurveyor at vianet.net.au>
To: <radsafe at radlab.nl>; <Know_Nukes at yahoogroups.com>
Sent: Tuesday, January 20, 2009 3:34 AM
Subject: [ RadSafe ] Re: ABC (aus) 7;30 Report
>I must thank those who have taken an interest in my posting on the
> subject of irradiated cat food. I was not previously aware of
> possible biochemical changes in food composition such as low vitamin
> A levels or the changes in fat composition and so on after
> I gather from the various references that it is by no means certain
> that axonal degeneration in cats is due to the irradiated food.
> None-the-less it is certainly seems to be suggestive.
> One of the greatest problems in any science is the establishment of
> causal relationships. This is a subject that interested David Hume
> in the eighteen century and more recently the late Professor Sir
> Austin Bradford Hill (1) and the arguments are repeated by Rothman
> and Greenland (2). Hill stated 9 criteria for establishing a causal
> relationship. In the final analysis it is not a question of ticking
> off the Hill criteria one by one; it is necessary to exercise
> judgment in the light of current knowledge.
> However, in view of the responses it is clear to me that I was too
> hasty in my judgment of the ABC program for which I apologize.
> I am not sure how this relates to the irradiation of human food. Two
> differences immediately come to mind. What are the destructive
> effects on food of various modes of cooking? Finally humans
> (hopefully) have a much more varied diet then the monotonous diet
> feed to some domesticated or laboratory animals?
> I) Hill AB. Proc Royal Soc Med 1965; 58:295-300.
> II) Rothman KJ and Greenland S: In Modern Epidemiology (2nd Ed).
> 1998; Chap 2 page7-28. Lippincott Williams &Wilkins.
> Ivor Surveyor
> [ isurveyor at vianet.net.au ]
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