X-Message-Number: 32115
From: "John de Rivaz" <>
References: <>
Subject: Re: chronic radiation 
Date: Fri, 30 Oct 2009 09:39:33 -0000

If the data is easily available, it might be worth looking at average lifespans 
for those living in areas affected by natural radiation from mineral sources 
such as granite or gravel soils as opposed to those areas with less natural 
radiation.  If generally available data produces some sort of result this may be
sufficient to get funding for a more precise one.

However to be really effective such a study would need to be limited to long 
term residents -- most people "relocate" ie move house very frequently these 
days. Also, of course, other causes of death such as accident need to be 

Sincerely, John de Rivaz:  http://John.deRivaz.com for websites including
Cryonics Europe, Longevity Report, The Venturists, Porthtowan, Alec Harley
Reeves - inventor, Arthur Bowker - potter, de Rivaz genealogy,  Nomad .. and
  ----- Original Message ----- 
  From: CryoNet 
  Sent: Friday, October 30, 2009 9:00 AM
  Subject: CryoNet #32112 - #32113

  Message #32112
  From: Keith Henson <>


  Is Chronic Radiation an Effective Prophylaxis
  Against Cancer?


  I would speculate that low level radiation damage is keeping the
  immune system tuned up to clear out damaged cells and that the active
  immune system is working more than enough to keep cancer at a very low

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