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UWaterloo scientists study freshwater fish exposed to opioids - Water Canada

Summary by watercanada.net
A new study points to drugs in wastewater as a new set of compounds affecting freshwater fish in rivers. Researchers at the University of Waterloo have found several chemical substances such as opioids and anti-depressants are present in Ontario freshwater fish living downstream from treatment plants. University of Waterloo department of biology professor and Water Institute researcher Dr. Mark Servos said a concurrent study about harm reduction…
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watercanada.net broke the news on Friday, May 22, 2026.
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