[michael_dorfman]

Yes, but do you know people who can smoke crack a few times, and then forget it? Or take heroin a few times?

Yes, some personalities are more prone to addiction than others. But it's also true that some substances that give instant gratification are more addictive than others.

[rsheridan6]

Yes, there are people who can smoke crack or take heroin a few times and forget it. Or play WoW for that matter. It depends on your personality.

[VB6_Forever]

What you say sounds right.

I wonder what, if Heroin was as freely available as alcohol or tobacco, its addiction rate would be like. It's my suspicion that drug addicts tend to come from the addictive personality subsection of the population