Given the high temperatures of the Australian summer where I live, I would avoid them on the likelihood of their chemical dependence to crystal methamphetamine.
But then again, when I see young men between the ages 18-21 with a shady looking face, I would avoid them on the likelihood of their chemical dependence to crystal methamphetamine.
https://thewest.com.au/news/wa/kalgoorlie-bunbury-are-wa-meth-hotspots-ng-b88689544zPerth just lost the title to Adelaide as Meth capital of Australia, so things are improving. Scientific analysis of the sewerage system is not the most reliable method of analysis, but it's somewhat arbitrary results are all we have to go on.
I wanted to speak to a scientist colleague who analyse these results, but I avoided him on the likelihood of their chemical dependence to crystal methamphetamine.