Australia's wastewater reveals methamphetamine use hits 10-year high

Australia's wastewater drug monitoring program detected methamphetamine use at a 10-year high, with cocaine also rising. However, wastewater data measures total drug volume consumed, not user numbers or frequency, so increases could reflect more frequent use among existing users rather than new users. Other data sources show methamphetamine harm is rising among a smaller, more intensive user group.

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