A new study examines the blurry distinction between “hard” and “soft” drugs.
The “hardness” of drugs is a concept that makes intuitive sense, but is difficult to put into precise terms. “Hard” drugs are those which are viewed as more addictive, more potent and more toxic than the comparatively benign “soft” variety. The concept has a normative aspect: “hard” drugs are bad, and you should avoid them, even if you use soft drugs.
In the new paper, Slovakian researchers Peter Janik et al.