[ RadSafe ] LNT and the WHO guidance on red meat

[Doss, Mohan]

It is the standard (though unjustified) method used for radiation, i.e. even though no statistically significant increase in colon cancers has been observed at low intake of red meat, by linear extrapolation the high intake risk is transferred to low intakes. If ICRP were given the task of advising regarding red meat, they would likely recommend banning all red meat consumption, since ALARA would be zero red meat consumption. For low consumption of meat, there is indeed a possibility of hormetic reduction of colon cancers, as the data do not rule it out (Please note this statement is from reading just one publication on this topic). 
                                                     Mohan



-----Original Message-----
From: radsafe-bounces at agni.phys.iit.edu [mailto:radsafe-bounces at agni.phys.iit.edu] On Behalf Of jjshonka at shonka.com
Sent: Tuesday, October 27, 2015 11:27 AM
To: The International Radiation Protection (Health Physics) Mailing List
Subject: [ RadSafe ] LNT and the WHO guidance on red meat

All:

Given the recent RadSafe posts on LNT for radiation, I have a question.  The recent WHO caution on consumption of processed or red meat has resulted in projections of cancer deaths caused by bacon.  One site asserts that eating 9 slices of bacon is equivalent to the cancer risk of smoking one cigarette.  Does this calculation rest on an assumption of linearity and no threshold as well?  Are the objections raised against LNT for radiation applicable to this form of carcinogen?

see: http://www.straightdope.com/columns/read/3013/whats-worse-for-your-health-bacon-or-cigarettes





Joe Shonka




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