Re: natural and un-natural radiation

[Jim Muckerheide <jmuckerheide@delphi.com>]

Group,

Re the discussion of "DNA damage" as a thesis for adverse health effects due
to radiation exposure.  Additional comments on the substance of the analysis,
and the specific data, by the knowledgeable specialists is greatly encouraged:

Bjorn Cedervall wrote:
>
> Jim Muckerheide wrote: 
> >
> >But go even further:  The formation of reactive oxygen species by normal
> >metabolism is millions of times greater than background radiation. (You
> > >are taking your anti-oxidants every day aren't you?  :-)
> 
> >Note that the normal "background" level of damaged DNA is about 30,000 
> >in every cell, with a half-time of repair of 30-40 minutes).

> Some sources say 100 000/day. I believe that the average half life is much
> shorter than 30-40 minutes.