Milton Friedman, an American economist and recipient of a Nobel prize said: I'm in favor of legalizing drugs. According to my values system, if people want to kill themselves, they have every right to do so. Most of the harm that comes from drugs is because they are illegal.
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I have to agree with him. If drugs were legal they could be taxed like alcohol and tobacco. The price would be much lower so people wouldn't steal to buy them. Just because they are available does not mean everyone would be a drug addict. This would have to be with the stipulation that overdosing would be paid out of your own pocket or no treatment.