it sucks, my wife is a non smoker, and a year ago she got into a car accident, that left her with migrains on an every other day basis for awhile, she went to physical therapy and doctors and now..its like every other week or so..sometimes shes just been in so much pain..and of course im always there sayin..."just take a little puff.." lol but she wont (hates the smell..THAT much) its sad. but nice to know it helps with it..maybe ill show her this post next time shes moanin for relief. lol