George, could you remember which issue of Nature it was that had capsiacin and substance P in it? Jack >Sometime last summer, I read the article about the action of capsaicin at >the cellular level in Nature (rather, tried to cope with the huge words and >scientific style!). One phrase they used struck me. It was "...kill the >cells..." or something like that. This has some long-term implications if >"killing" is what really occurs. It is hard to believe this happens, >because List experience shows a return in sensitivity, and also those who >use capsaicin creams for pain relief have to keep applying them. In >addition, I believe I have heard that nerve cells, when killed, are not >regenerated. However, experience would indicate they keep on living or >else new ones do indeed grow. Join the Carp Anglers Group at: http://www.carpanglersgroup.org Go Fishing with Jack on the Potomac River, MD, USA at: http://www.geocities.com/yosemite/rapids/8155