RE: Re[2]: New study suggests radon threat may be overestimated

["Edgerton, Patricia (RHB)" <pedgerto@rhb.dhs.cahwnet.gov>]

I was watching the Discovery Channel last night, and on their "Discovery
News" break (a short segment of scientific news) they relayed a couple of
sentences about the reduction in apparent harm due to radon.  I was
impressed that they chose to present it.

Trisha Edgerton, MS, CHP
California Department of Health Services
Radiologic Health Branch
Sacramento, CA
pedgerto@rhb.dhs.cahwnet.gov
(916) 322-6268

> -----Original Message-----
> From:	Gerald Falo
> [SMTP:gerald_falo_at_chppm7__apgea@chppm-ccmail.apgea.army.mil]
> Sent:	Thursday, January 14, 1999 9:27 AM
> To:	Multiple recipients of list
> Subject:	Re[2]: New study suggests radon threat may be overestimated 
> 
> 
>      This may be true, but as far as I understand it, lung cancer has a 
>      latency period of about 20 years.  In the wild, the life spans of 
>      critters are significantly shorter than those in captivity.  Even a 
>      couple of centuries ago, the average life expectancy of humans was 
>      about 35 years or so.
>      
>      It seems to me that animals and humans over the past million years or
> 
>      so had the good sense to die before they developed cancers or other 
>      diseases of old age.
>      
>      Just my two cents.
>      
>      Jerry Falo
>      jer3ry@aol.com
> 
> 
> ______________________________ Reply Separator
> _________________________________
> Subject: Re: New study suggests radon threat may be overestimated 
> Author:  <radsafe@romulus.ehs.uiuc.edu > at internet-mail
> Date:    1/14/99 10:37 AM
> 
> 
> It seems reasonable that over the last million or so years that the lung 
> tissue of mammals, especially those who have lived in the earth's crust 
> (mice/burrows, man/caves,... etc.), who have had nearly constant exposure 
> to high concentrations of radon throughout their lives has evolved to be 
> some what cancer resistent compared to other types of body tissue.   Maybe
> 
> over the next million years lung tissue could evolve to become cancer 
> resistent to unnatural carcenogens like cigarette smoke and asbestos 
> fibers.
>      
>      
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