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Medicinal drugs pollute the St. Lawrence River, presenting possible risk to aquatic organisms: Study

phys.org Medicinal drugs pollute the St. Lawrence River, presenting possible risk to aquatic organisms: Study

A new study shows troubling levels of pharmaceutical pollution in the St. Lawrence River and its largest tributaries, especially near and downstream of urban areas. Some of the compounds detected even pose a moderate-to-high risk to aquatic organisms when there's chronic exposure.

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