Sharks off Brazil coast test positive for cocaine
- Sharks off the coast of Brazil have tested positive for cocaine, marking the first detection of the drug in free-ranging sharks, according to a new study.
- Thirteen Brazilian sharpnose sharks were tested, with all showing positive results for cocaine and benzoylecgonine, indicating potential health risks.
- The study suggests that cocaine likely entered the sharks' environment from illicit labs or untreated sewage, though its effects on behavior remain unclear.
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