What about the organisms that are normal flora for various regions of
the body?  The mere presence of these organisms in there proper location
help maintain and promote human health.  Whereas, the presence of these
organisms in another part of the human body would stimulate an immune
response.


Ted Ashton wrote:
>
> With due respect, the article reminds me of the teacher who was telling a
> parent how wonderful it was that the class had thought to bring a horse along
> on their class hike, since when one little boy's foot had gotten hurt, he'd
> been able to ride home.  "Oh," asked the parent, "how did his foot get hurt?"
> "The horse stepped on it."
>
> Our immune systems are amazing creations and I am forever grateful for the
> defenses that the Good Lord gave us, but that makes me in no way grateful for
> the microbes which make those defenses a necessity!
>
<snip>
Richard Sheehan

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