If our schools were better, and more honest, we would explain the biology of addiction well enough that no one who understood the lessen would become addicted.
The lesson is simply this: Any pleasurable experience results in a normal and natural down-regulation by the body of the receptors that are responsible for that experience.
It is impossible to repeat the same dose (whether drug, food, roulette wheel, or skydiving) and have an equally intense experience until enough time has elapsed that the receptors have been up-regulated back to their original levels.
The hallmark of addiction, "chasing the dragon", is therefore pointless and quickly becomez harmful.
The other important lesson, of course, is that quality control is essential. Variations in the drug (concentration, impurities, improperly attached bungee cords) are solely responsible for the non-dragon-related dangers.