What drug is the most addictive?
This question calls for a rather complicated answer, so it may be helpful to reframe it in terms of a more familiar subject instead of answering it right from the get go. So let’s consider, first, the similar question of: what food is the most fattening? It is easy to see that the answer should be: “it depends.” The fact is that some people can eat bread and pasta till they drop, without gaining an ounce of weight, while others on strict diets can’t even look at a plate of lasagna without putting on a couple of extra pounds. The huge differences in how people assimilate various foods hinges partly—of course—on genetics. Indeed, some lucky people have such efficient metabolisms that they can burn calories as soon as they are ingested, and others, less lucky, don’t seem to find a way to get rid of them. Age is another important factor: dietary fats have very different fates if consumed by adults or by children. Finally, it should be fairly obvious that lifestyle and the life choices we m
