Inhalants, petrol, glue, nitrous oxide. Whatever is available.
There are no opportunities in these places, people get fucked up to make life more bearable.
If you've never seen a remote town in outback Australia before, the film Cunnamulla (2000) is a pretty accurate representation. Might be a little dated but not much has changed.
https://m.youtube.com/watch?v=KBMyzyZcCJo&pp=ygUKY3VubmFtdWx...
The health of these communities is at serious risk when you force them in to using unregulated black market narcotics and cleaning products to get high.