A new study has monitored illicit drug use through wastewater analysis in 115 European cities from 25 countries. From 2024 to 2025, MDMA’s residues in wastewaters decreased by 16%, while those of ketamine increased by 41%.
A new study has monitored illicit drug use through wastewater analysis in 115 European cities from 25 countries. From 2024 to 2025, MDMA’s residues in wastewaters decreased by 16%, while those of ketamine increased by 41%.