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Oxygen, Cancer, Longevity



Friends,
 
I seem to remember that during a discussion on the beneficial effects of radiation, someone suggested that the lower cancer rates (or was it longevity in general?) at higher altitudes were due to the lower oxygen concentration and not due to the beneficial effects of radiation. Some animal studies were cited.
 
Could someone refresh my memory on this? (Or set me straight, preferably in a professional manner, which ever the case might be.) Is excess oxygen associated with poor health? Is this a reasonably accepted fact or is it a far out theory?
 
Thank You,
Kai
----- Original Message -----
Sent: Monday, March 10, 2003 3:41 PM
Subject: Re: Hazardous vs. Radioactive Materials

I thought oxygen at concentrations found at sea level was a known carcinogen (??). Don't know the dose response. Don't know what the ALARA police says about the new oxygen lounges at the airports.
 
Kai
 
 
----- Original Message -----
Sent: Sunday, March 09, 2003 3:37 PM
Subject: Hazardous vs. Radioactive Materials

This may be slightly off-topic for this list, but I was wondering if anyone knew of any specific hazardous materials (carcinogens) that are present in the natural background, as radioactive material is, and what the "background" risk levels might be for those hazardous materials.

Barbara