in case anyone has any doubts left about opiates please read below:

morphine was developed to treat opium addicts.
heroin was developed to treat morphine addicts.
and now its methadone's turn to "treat" heroin addicts.

one did not come about cause the other one was banned.
and to speak this is ludacris. they are all from one plant. if you make product of plant illegal they are all illegal.

if you will write something in this forum thats not opinion based please make sure you cant be proven wrong with a 30 second search on google prior to posting.