Brazil's cocaine sharks make waves: Sequel to 'cocaine bear' now a hot topic

Cocaine Sharks Brazil: A study by the Oswaldo Cruz Foundation found that Brazilian sharpnose sharks off Rio de Janeiro tested positive for cocaine, with contamination stemming from inadequate sewage treatment and illegal drug dumping. This raises concerns about the effects on marine ecosystems and human health. Researchers call for further studies to understand the full impact of such pollution on sharks and other marine life.