Pot treatment for cancer?
Apparently Cannabis extract makes brain tumors shrink, and halts the growth of blood vessels:

"Researchers in Spain have discovered that a cannabis extract makes brain tumors shrink by halting the growth of blood vessels that supply the tumors with life. Cannabis has chemicals called cannabinoids, these are the chemicals that could effectively starve tumors to death, say the researchers."

Maybe Ben Elton is right. That the cure for cancer is really a simple herb like cannabis, they have known for years, but are hiding it while they try to come up with something they can patent and make billions from.