Opioids are the most dangerous as they go straight to satisfy your deepest desires like nothing else, anyone can fall for them.
I feel it takes a certain kind of person to get hooked on stimulants, I just find them rather boring.
Those are also drugs that can be rather subtle, so it’s possible to integrate them into daily life which makes starting an African easy.
Psychedelics on the other hand are much too intense of an experience to take casually, those truly let you tinker with consciousness. Most people will take them a couple of times a year at most and are fine.