Trisha Radley wrote on 1/12/02 7:03 AM :

>A good, more thorough definition...are we boring anybody yet?
>I do understand the mechanism that explains "immunity" and why repeated
>exposure results in greater damage, but I don't feel like trying to write it
>out all here.....LOL

I don't blame you.  I first heard it from a doctoral candidate working on 
occupational immunology reactions, and it's a tough one to explain.  Does 
it have something to do with T-cells acquiring memory?

-Jim

* Please notice that I have changed my e-mail address to:
  JimStamm@Mac.com