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 >