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Sharks Near Bahamas Found Contaminated with Drugs

3/27/2026

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Summary

Story summary

Brazilian scientists detected cocaine, caffeine, and painkillers in sharks near Eleuthera Island, Bahamas—a first worldwide.
The study examined 85 sharks, with 28 testing positive for drugs, mainly caffeine.
Researchers attributed contamination to human activity, including tourist sewage disposal.
No immediate behavioral changes were observed, but concerns about long-term neurological effects persist.

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Story summary

Brazilian scientists detected cocaine, caffeine, and painkillers in sharks near Eleuthera Island, Bahamas—a first worldwide.
The study examined 85 sharks, with 28 testing positive for drugs, mainly caffeine.
Researchers attributed contamination to human activity, including tourist sewage disposal.
No immediate behavioral changes were observed, but concerns about long-term neurological effects persist.