[quote=@Host]
<Snipped quote by Multifarious>

Not particularly. The body is smart and won't create a dependency on it unless you put yourself in a situation where your body interprets it as such. You'd have as much luck becoming addicted to salt or something similar.
[/quote]

The difference is that caffeine is a stimulant, and it affects the nervous system. Dependecy can result from its use, but just not to the degree of medicines and such.