Quirks and Quarks

Cocaine in waterways makes salmon roam further, and more…

May 1, 2026·54 min
Episode Description from the Publisher

Cocaine's main byproduct made wild juvenile Atlantic salmon swim twice as far, which could put them in more danger. Cocaine and many other chemicals and drugs — along with their byproducts are found in many waterways, but especially around wastewater treatment plants. Scientists exposed the fish to cocaine and its byproduct to see how it impacted their behaviour in the wild.

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