[MrLeRoy]

I tell you what take a crack addict/cigarette addict and stick a rock on the table & a cigarette beside it. Which do you think he/she is going to reach for?

I don't know and neither do you. Here's what I do know about the addictiveness of tobacco:

[HELLRAISER II]

That graph is very interesting, but I feel that the crack addict would grab the rock. Just a feeling.