Heroin overdoses are largely because of quality control issues that stem from criminalization. The drug is frequently cut with adulterants, and people shoot up

Heroin overdoses are largely because of quality control issues that stem from criminalization. The drug is frequently cut with adulterants, and people shoot up because it's the most efficient way to use it. If heroin was legalized, it could be standardized at a non-variable purity, and other methods of intake would be more popular. Lots of people were going blind from alcohol consumption during prohibition also.