Women seldom allow being photographed while smoking.
Bob
http://www.deinfaces.com/

,,,and for good reason me thinks! For me it's a very unattractive activity.
Douglas

I tend to agree. But I have quite a number of male smokers, and I am happy to get a few women. Among the homeless folks who I photograph, there are numerous alcoholics, and no doubt some drug addicts. Such is the world that we live in.