Bro, I'd love to research and give you links but I'm on 56k right now and.........it's a fuckin nightmare.

So take my word for it.

Pro- relaxation
Appetite
Euphoria
Creativity
Stimulation
Pain-relieving
Sense of well-being
sleep-aid
stronger Senses

Con- Smoke
nausea
paranoia
anxiety
"bad-trips"

it's different for everyone though