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Researchers are giving salmon cocaine. Don't worry, it's for science

With cocaine and its metabolite, benzoylecgonine, being detected in waterways across the globe, Canadian researcher Erin McCallum and her team set out to understand the impact of these illicit drugs on fish in Sweden.

First seen · 6:00 PM UTCMay 5, 2026

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CBC News
CenterCanadian Broadcasting Corporation
Researchers are giving salmon cocaine. Don't worry, it's for scienceWith cocaine and its metabolite, benzoylecgonine, being detected in waterways across the globe, Canadian researcher Erin McCallum and her team set out to understand the impact of these illicit drugs on fish in Sweden.
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