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

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.
[/quote]

As are things containing coconut, peppers, turkey, sweet potatoes, fish, sugar, and spinach. Just because something is a "drug" (something that induces a physiological change in the body) does not make it bad. In fact, studies have shown that coffee is good for you. These range from coffee in moderation to "the more you drink, the better it is."