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Addiction is a valid folk concept: everyone is aware of someone who can't get off cigarettes or booze, for example, or gambling, or occasionally heroin or meth or crack - to the impairment of their life, past the point of ongoing pleasure. So there are real phenomena to study, of some social importance. And I don't dispute that many people lose control and mess up their lives in various ways, in addition to running afoul of the law. So be careful with drugs, not even once, blah blah blah.

But the term 'addiction' does not correspond to any natural scientific category. Because unless it is made impossibly rare and unlike our folk concept, any definition will drag in all routine motivated behavior to the point where a lot is included which we all like and find healthy and normal.

There is no actual distinction between 'physiological dependence' and 'psychological addiction.' The relevant phenomena are all psychological and all have biological basis - just as one's behavioral responses to hunger, dehydration, embarrassment or sexual arousal do. Avoiding withdrawal might be more or less motivating depending on the drug - for example, cocaine doesn't really have much of a withdrawal compared to heroin. But the fundamental reason people use heroin isn't because of withdrawal, it's because they love it. The situation where one takes heroin simply to avoid symptoms is just not the primary mechanism of heroin addiction. And since heroin is the paradigm case for this kind of explanation, it is just generally not a good one. We have confused the different phenomenology of the cravings with a spurious major distinction between physical and ghostly causes, when we should really be considering the specific neural systems which are engaged by the different drugs.

I appreciate that what I am saying sounds controversial. If what I say is true, why do people keep talking about addiction? Because the word has an important function OUTSIDE of science - it applies a specific kind of pressure, an important feature of which is the appearance of being scientific. It is an implicit value judgement said in a scientific tone of voice, making it more legally and secularly palatable.

Addiction is nothing more than the pathologized version of desire or enjoyment. If you wish to cast shadows on anything people enjoy doing, simply call it an addiction. In particular if you wish to conflate social disapproval of an activity with a scientific judgement of unhealthiness, call the activity an addiction.

Suppose, for example, that a certain person goes to a bondage club on a weekly basis... so easy to make this into an addiction. Doing the same thing with 'normal' sex is just significantly harder. (Though still possible - in a situation where someone has an interest in pathologizing sex)



Withdrawal symptoms make it harder to quit.




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