This description helped a ton. At least it lets me know that the immune
system doesn't work backwards on certain things. It sounds in the case of
poison ivy/owk that it's actually better to NOT have much of an immunity.
Brian Cluff
Team Snaptek
Crossing my fingers that I never run into the stuff.... luckily it doesn't
grow very well in the desert
----- Original Message -----
> I have read everything I can find on the internet on poison oak/ivy during
> the past several weeks. The first person was right. People are born with
> some immunity. Continued exposure to the poison oak/ivy oils will make
the
> body more prone to getting the rashes. The body's resistance gets weaker.
> The body is in effect reacting quicker to the invasion of the bothersome
> chemical.
>
> This is the opposite of what happens with other allergies where they try
to
> desensitize you with allergy shots. There is no such thing as immunity
from
> poison oak/ivy. You get in it enough and you'll eventually get it.
>
> When the poison oak/ivy rash appears, it can't be spread. The oil has
> already been absorbed by the body and what you're seeing is the body
> reacting to the presence of the oil. Scratching just causes problems
> because it causes an open wound that is susseptible to infections. Poison
> oak/ivy is very messy because it shows up as blisters and likes to stay
> around for as much as 2 weeks.
>
> The difference between poison oak and poison ivy is very minor. About the
> same difference between a basset hound and a beagle.
>
> > Everyone is born with some degree of tolerance, or immunity to these
> > chemical "reactions." With repeated exposure, this tolerance will
> > decrease, until the body develops a defensive reaction - which results
in
> > the rash, etc. Some people only need one exposure to get the body to
> > react. Others require many, but it's not infinite.
>
> That sounds like the exact opposite of the way the immune system works.
> Isn't the reason you get shots to give your immune system practice so that
> it knows what to do what it gets the real thing. Seems like it should
work
> in a similar way with poison ivy/oak.
>
> Brian Cluff
> Team Snaptek
>
> _______________________________________________
> Az-Geocaching mailing list
> Az-Geocaching@listserv.snaptek.com
> http://listserv.snaptek.com/mailman/listinfo/az-geocaching
>