The heroin never really dead but in the 19 80s the cocaine was more profitable and everyone wanted to snort coke because was a sign that you're rich enought to buy it. In cocaine cowboys are explaned that n the nightclubs and discos there was table with horizontal mirrors to the make strips of coke.
In the 1990s "turned back" even if ecstasy or meth was choose because more people fEar the AIDS due the neddles.