--- Deborah Harrell <[EMAIL PROTECTED]> wrote: <snippage with some rearrangement of first sentence>
> other articles on 'ionizing radiation hormesis' > include this one which states: > "...Accordingly, evolutionary and ecological > considerations suggest two components of hormesis in > relation to ionizing radiation: background radiation > hormesis based upon the background exposure to which > all organisms on earth are subjected; and > stress-derived radiation hormesis. Exposure under > stress-derived radiation hormesis is considerably > larger than under background radiation hormesis, so > significant deleterious effects from > non-catastrophic > radiation normally may be impossible to detect..."] > http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=10715607&dopt=Abstract > > *Hormesis is "any physiological effect that occurs > at low doses and which cannot be anticipated by > extrapolating from toxic effects noted at high > doses." <snipped rest> On the way to a lesson earlier, I thought of why 'radiation hormesis' could be possible: just as the immune system is stimulated by normal gut bacteria to become more efficient at hunting down invading, pathogenic bacteria, perhaps it is also stimulated by radiation-damaged skin cells to hunt down other mutated cells in the body. Debbi On-The-Job-Training? Maru __________________________________ Do you Yahoo!? Yahoo! Calendar - Free online calendar with sync to Outlook(TM). http://calendar.yahoo.com _______________________________________________ http://www.mccmedia.com/mailman/listinfo/brin-l
