Yeah I'm sure the potsmokers were trying to harm themselves so they could go to the hospital.
You do know that if you are in the ER, regardless of what cause it, it's serious.
I mean they allow bleach in our homes, i'm sure tons of people go to the ER from bleach poisoning or any number of self-related injuries.
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I bet 10-20 times more people are in the hospital from alcohol or smoking, yet you don't see that firm stance against it.
It's the cultural perception, not the reality, that is the reason for the anti-drug cause.