Do you have allergies?
For those of you with allergies, you know only too well that once you have a reaction to something, for some period of time even small amounts of that substance will set you off. As I understand it, what happens is that an allergic reaction triggers elevated histamine levels in your body. If you stay away from whatever it is you are allergic to, gradually your histamine levels decline and although you are still allergic, it takes more of it to set you off. (Now I know I shouldn’t stray too far from my usual sailing analogies, but I couldn’t think of one that was appropriate to this topic.) We have all heard of the straw that broke the camel’s [ Read more… ]