[LocalH]

Psychedelics are largely not "addictive". Certainly not physiologically, and almost certainly not mentally.

[zone411]

They actually show promise for stopping additions.

[denton-scratch]

Many psychedelics are the opposite of addictive: if you take LSD for more than a couple of days, for example, the effect diminishes to nothing, whatever dose you take. You need at least a couple of weeks to re-sensistise.