You really need to draw the line between use and abuse, as Evan stated.
Just because I have a glass or two of red wine every week or two, does not make me a bloody alco
When it comes to "illegal" drugs, most people in our community are so fricking naive, it's unimaginable. yet these very same people are quiet happy to pop dozens of panadols, ritalin, aspirin and other phrameceutical drugs which are actually linked to millions of deaths around the world every year.
Yes if you smoke weed everyday and loads of it, you will have some problems with your brain eventually. But if you have an occasional smoke once or twice a week, nothing bad will ever happen. It's called self control and moderation.
Police do as they are told, if the government passes a new law that makes looking at women's breasts illegal, then cops will come down on every Tom, Dick and Harry like savage dogs because that's the law, they don't care if it's a normal thing to do.
Last I checked, smoking is still legal and that kills much more people world wide than all the illegal drugs combined. In fact, pharmaceutical drugs kill the most people, much more than people who die on our roads.
These drugs were prescribed and were taken as directed by the patients.