The question that people are now asking is: can cannabis cure cancer? After all, we know that CBD can actually stop memory loss. We know that while tobacco smoke causes lung cancer, pot smoke has no negative effect on the lungs, and may perhaps even have a beneficial effect. See before and after shots of people with skin ailments using chemotherapy cream and cannabis oil – what a difference! A Harvard study found that cannabis oil can stop brain cancer. Just how good is cannabis and how far can it go towards restoring your health?