It might as well be said, for a product that is claimed to "cause ZERO deaths." (That quote can be found with a little Googling. I'll leave it to the reader as an exercise.) Google comes up with two instances of that phrase: "a battle with non-lethal weapons will cause zero deaths" and "plutonium dioxide will cause zero deaths". So where's the evidence that drug-freedom supporters say people with coronary artery narrowing should smoke pot?
So where's the evidence that drug-freedom supporters say people with coronary artery narrowing should smoke pot?