We are setting up Trans World in the state boards this will take a few days Perth has already been done.these boards will be open to general public and they can also comment without membership. This is a trial only.
Every addiction to that person is the worst and has the worst consequences and is the most difficult to overcome hence being their addiction... I don't think there is a worst one to be honest because we don't know how hard it is for that individual to overcome whatever addiction it might be.