I'm on my mobile so can't do much linking, but there is evidence of narcotics use dating back throughout recorded history. Drugs are extremely popular today.

I'm on my mobile so can't do much linking, but there is evidence of narcotics use dating back throughout recorded history. Drugs are extremely popular today. Using the two above, I made the assumption that people will be using narcotics so long as our species continues, unless their effects can be explicitly replicated and induced by technology at some stage in the future, although I wouldn't necessarily say that such an act would not be doing drugs.