Drugs (hard drugs, anyway) are neither cool nor uncool. I choose not to partake in anything stronger than alcohol myself, and have friends who smoke pot (and sometimes I'll try and get a contact high when hanging around them), but the consequences of hard drugs are not something I feel like dealing with. I'm not going to preach against them to anyone, lest I sound like this:
http://www.youtube.com/watch?v=AVic3RYcZkc