<<Disclaimer: Verify this information before applying it to your situation.>> wow!>.. I must have missed the ball on this one. I thought I was fairly well informed about CD but I have to say all the responses included the sae info again and again. That one is born w/the predisposition to CD and that it takes some trigger or stressor to set it off. How have I never heard this theory before? Is this new? Eliz.