Cannabis, it's merely a plant, a wild weed. But it produces a range of effects that is unmatched.

To some, it's a blissful release, while for others it's something that seems to have unraveled their minds, and emptied their lives.

This documentary tries to get to the bottom of the conflict, by asking the most basic questions about cannabis. Can it really cause schizophrenia?

Can it lead you to take harder drugs? Or could cannabis even be good for you? The science is often so obscured by opinion, but what does the latest research reveal about the world's favorite drug?