On: Researchers are beginning to disentangle pain reli...

[eumoria]

That's interesting I had the same thing happen to me (around the same age). He phrased it as, "We're going to knock you out let me give you a bit just so you know what it will be like," and instantly my body flooded with warmth. I still to this day remember how good it felt... the mentally addictive properties are obvious even before the physical dependency.

[digi_owl → eumoria]

And the mental one is likely to be the real problem to beat.

Anything from tobacco on up seems to be about getting that bit of relief from the demons of everyday living.