theyre safe in the sense that you cant really form a dependence on it, and it's not lethal. But the hallucinations can **** you up. Thats why LSD is so dangerous too even though its practically harmless for your body.
the same is true with ganj. its not to get messed up, its to enter a peaceful state of which is completely under your control
Dude, there's a consciousness that transcends our own individual neurons - it's called the collective unconscious, a la Karl Jung. He proposed the idea that we are tapped into a collective stream of consciousness that allows us to share archetypal images of reality.
My first reaction was ... it only took 30 seconds for this sh** to hit hard. Wow. I have not seen too many people drunk/stoned that far out of their mind. Adding Salvia to this my avoid-like-the-plague list.