Alva Noe explains at NPR:
Addiction has been moralized, medicalized, politicized, and criminalized. And, of course, many of us are addicts, have been addicts or have been close to addicts. Addiction runs very hot as a theme.
Part of what makes addiction so compelling is that it forms a kind of conceptual/political crossroads for thinking about human nature. After all, to make sense of addiction we need to make sense of what it is to be an agent who acts, with values, in the face of consequences, under pressure, with compulsion, out of need and desire. One needs a whole philosophy to understand addiction.
Today I want to respond to readers who were outraged by my willingness even to question whether addiction is a disease of the brain.
Let us first ask: what makes something — a substance or an activity — addictive? Is there a property shared by all the things to which we can get addicted?
Unlikely. Addictive substances such as alcohol, heroin and nicotine are chemically distinct. Moreover, activities such as gambling, eating, sex — activities that are widely believed to be addictive — have no ingredients.
And yet it is remarkable — as Gene Heyman notes in his excellent book on addiction — that there are only 20 or so distinct activities and substances that produce addiction. There must be something in virtue of which these things, and these things alone, give rise to the distinctive pattern of use and abuse in the face of the medical, personal and legal perils that we know can stem from addiction…
[continues at NPR]