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Any links to such research? It's hardly presented in a scientifically rigorous way, but take this for example: http://bakadesuyo.com/2012/08/whats-the-most-addi

Any links to such research? It's hardly presented in a scientifically rigorous way, but take this for example: http://bakadesuyo.com/2012/08/whats-the-most-addictive-drug/ http://bakadesuyo.com/2012/08/whats-the-most-addictive-drug/. It supports the notion the delivery significantly impacts behaviour, but it also cites highly variable addiction rates - not a consistent 90%. Still Googling for better research, but suffice it to say I'm a bit skeptical of the claims...

Alex3917 12y ago
> Any links to such research? Not sure about primary sources, but the professor talks about the routes of administration in the Drugs and Behavior class that's available on iTunes. In terms of addiction rates, this is something that Carl Hart researches and has been talking a lot about recently. He has written a bunch of articles and given some TED talks on the topic. In terms of quoted figures for the addictiveness of various substances, you need to look at whether the studies you're looking at correct for the characteristics of the users. E.g. people who use heroin are much more likely to become addicted to drugs, which makes heroin look more addictive than it actually is. There certainly is some variance between drugs, but it's relatively small... like 9% vs 13%, but not like 2% vs 90%.